head	1.4;
access;
symbols
	RELENG_9_1_0_RELEASE:1.2.2.2
	RELENG_9_1:1.2.2.2.0.2
	RELENG_9_1_BP:1.2.2.2
	RELENG_9:1.2.0.2;
locks; strict;
comment	@# @;


1.4
date	2013.04.28.00.41.54;	author svnexp;	state Exp;
branches;
next	1.3;

1.3
date	2012.11.17.03.36.32;	author svnexp;	state Exp;
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1.2
date	2012.03.14.00.09.36;	author theraven;	state Exp;
branches
	1.2.2.1;
next	1.1;

1.1
date	2011.11.25.20.59.04;	author theraven;	state Exp;
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next	;

1.2.2.1
date	2012.05.22.18.30.14;	author theraven;	state dead;
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next	1.2.2.2;

1.2.2.2
date	2012.05.22.18.30.14;	author theraven;	state Exp;
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next	1.2.2.3;

1.2.2.3
date	2012.11.29.21.29.14;	author svnexp;	state Exp;
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next	1.2.2.4;

1.2.2.4
date	2013.05.11.17.01.44;	author svnexp;	state Exp;
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next	1.2.2.5;

1.2.2.5
date	2014.03.05.20.01.45;	author svnexp;	state Exp;
branches;
next	;


desc
@@


1.4
log
@## SVN ## Exported commit - http://svnweb.freebsd.org/changeset/base/249998
## SVN ## CVS IS DEPRECATED: http://wiki.freebsd.org/CvsIsDeprecated
@
text
@// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCPP_FUNCTIONAL_BASE_03
#define _LIBCPP_FUNCTIONAL_BASE_03

// manual variadic expansion for <functional>

// __weak_result_type

template <class _Tp>
struct __derives_from_unary_function
{
private:
    struct __two {char __lx; char __lxx;};
    static __two __test(...);
    template <class _Ap, class _Rp>
        static unary_function<_Ap, _Rp>
        __test(const volatile unary_function<_Ap, _Rp>*);
public:
    static const bool value = !is_same<decltype(__test((_Tp*)0)), __two>::value;
    typedef decltype(__test((_Tp*)0)) type;
};

template <class _Tp>
struct __derives_from_binary_function
{
private:
    struct __two {char __lx; char __lxx;};
    static __two __test(...);
    template <class _A1, class _A2, class _Rp>
        static binary_function<_A1, _A2, _Rp>
        __test(const volatile binary_function<_A1, _A2, _Rp>*);
public:
    static const bool value = !is_same<decltype(__test((_Tp*)0)), __two>::value;
    typedef decltype(__test((_Tp*)0)) type;
};

template <class _Tp, bool = __derives_from_unary_function<_Tp>::value>
struct __maybe_derive_from_unary_function  // bool is true
    : public __derives_from_unary_function<_Tp>::type
{
};

template <class _Tp>
struct __maybe_derive_from_unary_function<_Tp, false>
{
};

template <class _Tp, bool = __derives_from_binary_function<_Tp>::value>
struct __maybe_derive_from_binary_function  // bool is true
    : public __derives_from_binary_function<_Tp>::type
{
};

template <class _Tp>
struct __maybe_derive_from_binary_function<_Tp, false>
{
};

template <class _Tp, bool = __has_result_type<_Tp>::value>
struct __weak_result_type_imp // bool is true
    : public __maybe_derive_from_unary_function<_Tp>,
      public __maybe_derive_from_binary_function<_Tp>
{
    typedef typename _Tp::result_type result_type;
};

template <class _Tp>
struct __weak_result_type_imp<_Tp, false>
    : public __maybe_derive_from_unary_function<_Tp>,
      public __maybe_derive_from_binary_function<_Tp>
{
};

template <class _Tp>
struct __weak_result_type
    : public __weak_result_type_imp<typename remove_reference<_Tp>::type>
{
};

// 0 argument case

template <class _Rp>
struct __weak_result_type<_Rp ()>
{
    typedef _Rp result_type;
};

template <class _Rp>
struct __weak_result_type<_Rp (&)()>
{
    typedef _Rp result_type;
};

template <class _Rp>
struct __weak_result_type<_Rp (*)()>
{
    typedef _Rp result_type;
};

// 1 argument case

template <class _Rp, class _A1>
struct __weak_result_type<_Rp (_A1)>
    : public unary_function<_A1, _Rp>
{
};

template <class _Rp, class _A1>
struct __weak_result_type<_Rp (&)(_A1)>
    : public unary_function<_A1, _Rp>
{
};

template <class _Rp, class _A1>
struct __weak_result_type<_Rp (*)(_A1)>
    : public unary_function<_A1, _Rp>
{
};

template <class _Rp, class _Cp>
struct __weak_result_type<_Rp (_Cp::*)()>
    : public unary_function<_Cp*, _Rp>
{
};

template <class _Rp, class _Cp>
struct __weak_result_type<_Rp (_Cp::*)() const>
    : public unary_function<const _Cp*, _Rp>
{
};

template <class _Rp, class _Cp>
struct __weak_result_type<_Rp (_Cp::*)() volatile>
    : public unary_function<volatile _Cp*, _Rp>
{
};

template <class _Rp, class _Cp>
struct __weak_result_type<_Rp (_Cp::*)() const volatile>
    : public unary_function<const volatile _Cp*, _Rp>
{
};

// 2 argument case

template <class _Rp, class _A1, class _A2>
struct __weak_result_type<_Rp (_A1, _A2)>
    : public binary_function<_A1, _A2, _Rp>
{
};

template <class _Rp, class _A1, class _A2>
struct __weak_result_type<_Rp (*)(_A1, _A2)>
    : public binary_function<_A1, _A2, _Rp>
{
};

template <class _Rp, class _A1, class _A2>
struct __weak_result_type<_Rp (&)(_A1, _A2)>
    : public binary_function<_A1, _A2, _Rp>
{
};

template <class _Rp, class _Cp, class _A1>
struct __weak_result_type<_Rp (_Cp::*)(_A1)>
    : public binary_function<_Cp*, _A1, _Rp>
{
};

template <class _Rp, class _Cp, class _A1>
struct __weak_result_type<_Rp (_Cp::*)(_A1) const>
    : public binary_function<const _Cp*, _A1, _Rp>
{
};

template <class _Rp, class _Cp, class _A1>
struct __weak_result_type<_Rp (_Cp::*)(_A1) volatile>
    : public binary_function<volatile _Cp*, _A1, _Rp>
{
};

template <class _Rp, class _Cp, class _A1>
struct __weak_result_type<_Rp (_Cp::*)(_A1) const volatile>
    : public binary_function<const volatile _Cp*, _A1, _Rp>
{
};

// 3 or more arguments

template <class _Rp, class _A1, class _A2, class _A3>
struct __weak_result_type<_Rp (_A1, _A2, _A3)>
{
    typedef _Rp result_type;
};

template <class _Rp, class _A1, class _A2, class _A3>
struct __weak_result_type<_Rp (&)(_A1, _A2, _A3)>
{
    typedef _Rp result_type;
};

template <class _Rp, class _A1, class _A2, class _A3>
struct __weak_result_type<_Rp (*)(_A1, _A2, _A3)>
{
    typedef _Rp result_type;
};

template <class _Rp, class _Cp, class _A1, class _A2>
struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2)>
{
    typedef _Rp result_type;
};

template <class _Rp, class _Cp, class _A1, class _A2>
struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2) const>
{
    typedef _Rp result_type;
};

template <class _Rp, class _Cp, class _A1, class _A2>
struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2) volatile>
{
    typedef _Rp result_type;
};

// __invoke

// __ref_return0
//
// template <class _Tp, bool _HasResultType>
// struct ________ref_return0  // _HasResultType is true
// {
//     typedef typename _Tp::result_type type;
// };
//
// template <class _Tp>
// struct ________ref_return0<_Tp, false>
// {
//     typedef void type;
// };
//
// template <class _Tp, bool _IsClass>
// struct ____ref_return0  // _IsClass is true
//     : public ________ref_return0<_Tp, __has_result_type<typename remove_cv<_Tp>::type>::value>
// {
// };
//
// template <class _Tp, bool _HasResultType>
// struct ______ref_return0  // _HasResultType is true
// {
//     typedef typename __callable_type<_Tp>::result_type type;
// };
//
// template <class _Tp>
// struct ______ref_return0<_Tp, false>  // pointer to member data
// {
//     typedef void type;
// };
//
// template <class _Tp>
// struct ____ref_return0<_Tp, false>
//     : public ______ref_return0<typename remove_cv<_Tp>::type,
//                  __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value>
// {
// };
//
// template <class _Tp>
// struct __ref_return0
//     : public ____ref_return0<typename remove_reference<_Tp>::type,
//                    is_class<typename remove_reference<_Tp>::type>::value>
// {
// };
//
// __ref_return1
//
// template <class _Tp, bool _IsClass, class _A0>
// struct ____ref_return1  // _IsClass is true
// {
//     typedef typename result_of<_Tp(_A0)>::type type;
// };
//
// template <class _Tp, bool _HasResultType, class _A0>
// struct ______ref_return1  // _HasResultType is true
// {
//     typedef typename __callable_type<_Tp>::result_type type;
// };
//
// template <class _Tp, class _A0, bool>
// struct __ref_return1_member_data1;
//
// template <class _Rp, class _Cp, class _A0>
// struct __ref_return1_member_data1<_Rp _Cp::*, _A0, true>
// {
//     typedef typename __apply_cv<_A0, _Rp>::type& type;
// };
//
// template <class _Rp, class _Cp, class _A0>
// struct __ref_return1_member_data1<_Rp _Cp::*, _A0, false>
// {
//     static _A0 __a;
//     typedef typename __apply_cv<decltype(*__a), _Rp>::type& type;
// };
//
// template <class _Tp, class _A0>
// struct __ref_return1_member_data;
//
// template <class _Rp, class _Cp, class _A0>
// struct __ref_return1_member_data<_Rp _Cp::*, _A0>
//     : public __ref_return1_member_data1<_Rp _Cp::*, _A0,
//                 is_same<typename remove_cv<_Cp>::type,
//                         typename remove_cv<typename remove_reference<_A0>::type>::type>::value>
// {
// };
//
// template <class _Tp, class _A0>
// struct ______ref_return1<_Tp, false, _A0>  // pointer to member data
//     : public __ref_return1_member_data<typename remove_cv<_Tp>::type, _A0>
// {
// };
//
// template <class _Tp, class _A0>
// struct ____ref_return1<_Tp, false, _A0>
//     : public ______ref_return1<typename remove_cv<_Tp>::type,
//                  __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value, _A0>
// {
// };
//
// template <class _Tp, class _A0>
// struct __ref_return1
//     : public ____ref_return1<typename remove_reference<_Tp>::type,
//                    is_class<typename remove_reference<_Tp>::type>::value, _A0>
// {
// };
//
// __ref_return2
//
// template <class _Tp, bool _IsClass, class _A0, class _A1>
// struct ____ref_return2  // _IsClass is true
// {
//     typedef typename result_of<_Tp(_A0, _A1)>::type type;
// };
//
// template <class _Tp, bool _HasResultType, class _A0, class _A1>
// struct ______ref_return2  // _HasResultType is true
// {
//     typedef typename __callable_type<_Tp>::result_type type;
// };
//
// template <class _Tp>
// struct ______ref_return2<_Tp, false, class _A0, class _A1>  // pointer to member data
// {
//     static_assert(sizeof(_Tp) == 0, "An attempt has been made to `call` a pointer"
//                          " to member data with too many arguments.");
// };
//
// template <class _Tp, class _A0, class _A1>
// struct ____ref_return2<_Tp, false, _A0, _A1>
//     : public ______ref_return2<typename remove_cv<_Tp>::type,
//                  __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value, _A0, _A1>
// {
// };
//
// template <class _Tp, class _A0, class _A1>
// struct __ref_return2
//     : public ____ref_return2<typename remove_reference<_Tp>::type,
//                    is_class<typename remove_reference<_Tp>::type>::value, _A0, _A1>
// {
// };
//
// __ref_return3
//
// template <class _Tp, bool _IsClass, class _A0, class _A1, class _A2>
// struct ____ref_return3  // _IsClass is true
// {
//     typedef typename result_of<_Tp(_A0, _A1, _A2)>::type type;
// };
//
// template <class _Tp, bool _HasResultType, class _A0, class _A1, class _A2>
// struct ______ref_return3  // _HasResultType is true
// {
//     typedef typename __callable_type<_Tp>::result_type type;
// };
//
// template <class _Tp>
// struct ______ref_return3<_Tp, false, class _A0, class _A1, class _A2>  // pointer to member data
// {
//     static_assert(sizeof(_Tp) == 0, "An attempt has been made to `call` a pointer"
//                          " to member data with too many arguments.");
// };
//
// template <class _Tp, class _A0, class _A1, class _A2>
// struct ____ref_return3<_Tp, false, _A0, _A1, _A2>
//     : public ______ref_return3<typename remove_cv<_Tp>::type,
//                  __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value, _A0, _A1, _A2>
// {
// };
//
// template <class _Tp, class _A0, class _A1, class _A2>
// struct __ref_return3
//     : public ____ref_return3<typename remove_reference<_Tp>::type,
//                    is_class<typename remove_reference<_Tp>::type>::value, _A0, _A1, _A2>
// {
// };

// first bullet

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(), _T1& __t1)
{
    return (__t1.*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0), _T1& __t1, _A0& __a0)
{
    return (__t1.*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1), _T1& __t1, _A0& __a0, _A1& __a1)
{
    return (__t1.*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2), _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return (__t1.*__f)(__a0, __a1, __a2);
}

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)() const, _T1& __t1)
{
    return (__t1.*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0) const, _T1& __t1, _A0& __a0)
{
    return (__t1.*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1) const, _T1& __t1, _A0& __a0, _A1& __a1)
{
    return (__t1.*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return (__t1.*__f)(__a0, __a1, __a2);
}

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)() volatile, _T1& __t1)
{
    return (__t1.*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0) volatile, _T1& __t1, _A0& __a0)
{
    return (__t1.*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1) volatile, _T1& __t1, _A0& __a0, _A1& __a1)
{
    return (__t1.*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) volatile, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return (__t1.*__f)(__a0, __a1, __a2);
}

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)() const volatile, _T1& __t1)
{
    return (__t1.*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0) const volatile, _T1& __t1, _A0& __a0)
{
    return (__t1.*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1) const volatile, _T1& __t1, _A0& __a0, _A1& __a1)
{
    return (__t1.*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const volatile, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return (__t1.*__f)(__a0, __a1, __a2);
}

// second bullet

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(), _T1 __t1)
{
    return ((*__t1).*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0), _T1 __t1, _A0& __a0)
{
    return ((*__t1).*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1), _T1 __t1, _A0& __a0, _A1& __a1)
{
    return ((*__t1).*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2), _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return ((*__t1).*__f)(__a0, __a1, __a2);
}

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)() const, _T1 __t1)
{
    return ((*__t1).*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0) const, _T1 __t1, _A0& __a0)
{
    return ((*__t1).*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1) const, _T1 __t1, _A0& __a0, _A1& __a1)
{
    return ((*__t1).*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return ((*__t1).*__f)(__a0, __a1, __a2);
}

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)() volatile, _T1 __t1)
{
    return ((*__t1).*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0) volatile, _T1 __t1, _A0& __a0)
{
    return ((*__t1).*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1) volatile, _T1 __t1, _A0& __a0, _A1& __a1)
{
    return ((*__t1).*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) volatile, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return ((*__t1).*__f)(__a0, __a1, __a2);
}

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)() const volatile, _T1 __t1)
{
    return ((*__t1).*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0) const volatile, _T1 __t1, _A0& __a0)
{
    return ((*__t1).*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1) const volatile, _T1 __t1, _A0& __a0, _A1& __a1)
{
    return ((*__t1).*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const volatile, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return ((*__t1).*__f)(__a0, __a1, __a2);
}

// third bullet

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    typename __apply_cv<_T1, _Rp>::type&
>::type
__invoke(_Rp _Tp::* __f, _T1& __t1)
{
    return __t1.*__f;
}

template <class _Rp, class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
void
__invoke(_Rp _Tp::*)
{
}

// template <class _Dp, class _Rp, class _Tp, class _T1>
// inline _LIBCPP_INLINE_VISIBILITY
// typename enable_if
// <
//     is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
//     typename __ref_return1<_Rp _Tp::*, _T1>::type
// >::type
// __invoke(_Rp _Tp::* __f, _T1& __t1)
// {
//     return __t1.*__f;
// }

// forth bullet

template <class _T1, class _Rp, bool>
struct __4th_helper
{
};

template <class _T1, class _Rp>
struct __4th_helper<_T1, _Rp, true>
{
    typedef typename __apply_cv<decltype(*_VSTD::declval<_T1>()), _Rp>::type type;
};

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename __4th_helper<_T1, _Rp,
                      !is_base_of<_Tp,
                                  typename remove_reference<_T1>::type
                                 >::value
                     >::type&
__invoke(_Rp _Tp::* __f, _T1& __t1)
{
    return (*__t1).*__f;
}

// template <class _Dp, class _Rp, class _Tp, class _T1>
// inline _LIBCPP_INLINE_VISIBILITY
// typename enable_if
// <
//     !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
//     typename __ref_return1<_Rp _Tp::*, _T1>::type
// >::type
// __invoke(_Rp _Tp::* __f, _T1 __t1)
// {
//     return (*__t1).*__f;
// }

// fifth bullet

template <class _Fp>
inline _LIBCPP_INLINE_VISIBILITY
decltype(declval<_Fp>()())
__invoke(_Fp __f)
{
    return __f();
}

template <class _Fp, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
decltype(declval<_Fp>()(declval<_A0&>()))
__invoke(_Fp __f, _A0& __a0)
{
    return __f(__a0);
}

template <class _Fp, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
decltype(declval<_Fp>()(declval<_A0&>(), declval<_A1&>()))
__invoke(_Fp __f, _A0& __a0, _A1& __a1)
{
    return __f(__a0, __a1);
}

template <class _Fp, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
decltype(declval<_Fp>()(declval<_A0&>(), declval<_A1&>(), declval<_A2&>()))
__invoke(_Fp __f, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return __f(__a0, __a1, __a2);
}

// template <class _Rp, class _Fp>
// inline _LIBCPP_INLINE_VISIBILITY
// _Rp
// __invoke(_Fp& __f)
// {
//     return __f();
// }
//
// template <class _Rp, class _Fp, class _A0>
// inline _LIBCPP_INLINE_VISIBILITY
// typename enable_if
// <
//     !is_member_pointer<_Fp>::value,
//     _Rp
// >::type
// __invoke(_Fp& __f, _A0& __a0)
// {
//     return __f(__a0);
// }
//
// template <class _Rp, class _Fp, class _A0, class _A1>
// inline _LIBCPP_INLINE_VISIBILITY
// _Rp
// __invoke(_Fp& __f, _A0& __a0, _A1& __a1)
// {
//     return __f(__a0, __a1);
// }
//
// template <class _Rp, class _Fp, class _A0, class _A1, class _A2>
// inline _LIBCPP_INLINE_VISIBILITY
// _Rp
// __invoke(_Fp& __f, _A0& __a0, _A1& __a1, _A2& __a2)
// {
//     return __f(__a0, __a1, __a2);
// }

template <class _Tp>
struct __has_type
{
private:
    struct __two {char __lx; char __lxx;};
    template <class _Up> static __two __test(...);
    template <class _Up> static char __test(typename _Up::type* = 0);
public:
    static const bool value = sizeof(__test<_Tp>(0)) == 1;
};

template <class _Fp, bool = __has_result_type<__weak_result_type<_Fp> >::value>
struct __invoke_return
{
    typedef typename __weak_result_type<_Fp>::result_type type;
};

template <class _Fp>
struct __invoke_return<_Fp, false>
{
    typedef decltype(__invoke(_VSTD::declval<_Fp>())) type;
};

template <class _Tp, class _A0>
struct __invoke_return0
{
    typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>())) type;
};

template <class _Rp, class _Tp, class _A0>
struct __invoke_return0<_Rp _Tp::*, _A0>
{
    typedef typename __apply_cv<_A0, _Rp>::type& type;
};

template <class _Rp, class _Tp, class _A0>
struct __invoke_return0<_Rp _Tp::*, _A0*>
{
    typedef typename __apply_cv<_A0, _Rp>::type& type;
};

template <class _Tp, class _A0, class _A1>
struct __invoke_return1
{
    typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>(),
                                                    _VSTD::declval<_A1>())) type;
};

template <class _Tp, class _A0, class _A1, class _A2>
struct __invoke_return2
{
    typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>(),
                                                    _VSTD::declval<_A1>(),
                                                    _VSTD::declval<_A2>())) type;
};

template <class _Tp>
class _LIBCPP_TYPE_VIS reference_wrapper
    : public __weak_result_type<_Tp>
{
public:
    // types
    typedef _Tp type;
private:
    type* __f_;

public:
    // construct/copy/destroy
    _LIBCPP_INLINE_VISIBILITY reference_wrapper(type& __f) : __f_(&__f) {}

    // access
    _LIBCPP_INLINE_VISIBILITY operator type&    () const {return *__f_;}
    _LIBCPP_INLINE_VISIBILITY          type& get() const {return *__f_;}

    // invoke

    _LIBCPP_INLINE_VISIBILITY
    typename __invoke_return<type&>::type
       operator() () const
       {
           return __invoke(get());
       }

    template <class _A0>
       _LIBCPP_INLINE_VISIBILITY
       typename __invoke_return0<type&, _A0>::type
          operator() (_A0& __a0) const
          {
              return __invoke(get(), __a0);
          }

    template <class _A0, class _A1>
       _LIBCPP_INLINE_VISIBILITY
       typename __invoke_return1<type&, _A0, _A1>::type
          operator() (_A0& __a0, _A1& __a1) const
          {
              return __invoke(get(), __a0, __a1);
          }

    template <class _A0, class _A1, class _A2>
       _LIBCPP_INLINE_VISIBILITY
       typename __invoke_return2<type&, _A0, _A1, _A2>::type
          operator() (_A0& __a0, _A1& __a1, _A2& __a2) const
          {
              return __invoke(get(), __a0, __a1, __a2);
          }
};

template <class _Tp> struct ____is_reference_wrapper : public false_type {};
template <class _Tp> struct ____is_reference_wrapper<reference_wrapper<_Tp> > : public true_type {};
template <class _Tp> struct __is_reference_wrapper
    : public ____is_reference_wrapper<typename remove_cv<_Tp>::type> {};

template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
reference_wrapper<_Tp>
ref(_Tp& __t)
{
    return reference_wrapper<_Tp>(__t);
}

template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
reference_wrapper<_Tp>
ref(reference_wrapper<_Tp> __t)
{
    return ref(__t.get());
}

template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
reference_wrapper<const _Tp>
cref(const _Tp& __t)
{
    return reference_wrapper<const _Tp>(__t);
}

template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
reference_wrapper<const _Tp>
cref(reference_wrapper<_Tp> __t)
{
    return cref(__t.get());
}

#endif  // _LIBCPP_FUNCTIONAL_BASE_03
@


1.3
log
@## SVN ##
## SVN ## Exported commit - http://svnweb.freebsd.org/changeset/base/242945
## SVN ## CVS IS DEPRECATED: http://wiki.freebsd.org/CvsIsDeprecated
## SVN ##
## SVN ## ------------------------------------------------------------------------
## SVN ## r242945 | theraven | 2012-11-13 03:27:43 +0000 (Tue, 13 Nov 2012) | 2 lines
## SVN ##
## SVN ## Import new version of libc++ into base.
## SVN ##
## SVN ## ------------------------------------------------------------------------
## SVN ##
@
text
@d999 1
a999 1
class _LIBCPP_VISIBLE reference_wrapper
@


1.2
log
@SVN rev 232950 on 2012-03-14 00:09:36Z by theraven

Import new versions of libcxxrt and libc++.
Please tests any C++ code you care about with -stdlib=libc++!

Approved by:	dim (mentor)
@
text
@d22 1
a22 1
    struct __two {char _; char __;};
d36 1
a36 1
    struct __two {char _; char __;};
d946 1
a946 1
    struct __two {char _; char __;};
@


1.2.2.1
log
@file __functional_base_03 was added on branch RELENG_9 on 2012-05-22 18:32:26 +0000
@
text
@d1 1087
@


1.2.2.2
log
@SVN rev 235798 on 2012-05-22 18:30:14Z by theraven

Merged libcxxrt and libc++.  Now available for testing on 9-stable with
-stdlib=libc++.  Changes to libstdc++ not yet merged, so it is not yet possible
to mix libstdc++ and libc++ in the same program.

Merged revisions: 226702,226785,227006,227755,227983,227987,228531,228630,228761,229067,230127,232950,233098,234715-234716,234772
@
text
@a0 1087
// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCPP_FUNCTIONAL_BASE_03
#define _LIBCPP_FUNCTIONAL_BASE_03

// manual variadic expansion for <functional>

// __weak_result_type

template <class _Tp>
struct __derives_from_unary_function
{
private:
    struct __two {char _; char __;};
    static __two __test(...);
    template <class _Ap, class _Rp>
        static unary_function<_Ap, _Rp>
        __test(const volatile unary_function<_Ap, _Rp>*);
public:
    static const bool value = !is_same<decltype(__test((_Tp*)0)), __two>::value;
    typedef decltype(__test((_Tp*)0)) type;
};

template <class _Tp>
struct __derives_from_binary_function
{
private:
    struct __two {char _; char __;};
    static __two __test(...);
    template <class _A1, class _A2, class _Rp>
        static binary_function<_A1, _A2, _Rp>
        __test(const volatile binary_function<_A1, _A2, _Rp>*);
public:
    static const bool value = !is_same<decltype(__test((_Tp*)0)), __two>::value;
    typedef decltype(__test((_Tp*)0)) type;
};

template <class _Tp, bool = __derives_from_unary_function<_Tp>::value>
struct __maybe_derive_from_unary_function  // bool is true
    : public __derives_from_unary_function<_Tp>::type
{
};

template <class _Tp>
struct __maybe_derive_from_unary_function<_Tp, false>
{
};

template <class _Tp, bool = __derives_from_binary_function<_Tp>::value>
struct __maybe_derive_from_binary_function  // bool is true
    : public __derives_from_binary_function<_Tp>::type
{
};

template <class _Tp>
struct __maybe_derive_from_binary_function<_Tp, false>
{
};

template <class _Tp, bool = __has_result_type<_Tp>::value>
struct __weak_result_type_imp // bool is true
    : public __maybe_derive_from_unary_function<_Tp>,
      public __maybe_derive_from_binary_function<_Tp>
{
    typedef typename _Tp::result_type result_type;
};

template <class _Tp>
struct __weak_result_type_imp<_Tp, false>
    : public __maybe_derive_from_unary_function<_Tp>,
      public __maybe_derive_from_binary_function<_Tp>
{
};

template <class _Tp>
struct __weak_result_type
    : public __weak_result_type_imp<typename remove_reference<_Tp>::type>
{
};

// 0 argument case

template <class _Rp>
struct __weak_result_type<_Rp ()>
{
    typedef _Rp result_type;
};

template <class _Rp>
struct __weak_result_type<_Rp (&)()>
{
    typedef _Rp result_type;
};

template <class _Rp>
struct __weak_result_type<_Rp (*)()>
{
    typedef _Rp result_type;
};

// 1 argument case

template <class _Rp, class _A1>
struct __weak_result_type<_Rp (_A1)>
    : public unary_function<_A1, _Rp>
{
};

template <class _Rp, class _A1>
struct __weak_result_type<_Rp (&)(_A1)>
    : public unary_function<_A1, _Rp>
{
};

template <class _Rp, class _A1>
struct __weak_result_type<_Rp (*)(_A1)>
    : public unary_function<_A1, _Rp>
{
};

template <class _Rp, class _Cp>
struct __weak_result_type<_Rp (_Cp::*)()>
    : public unary_function<_Cp*, _Rp>
{
};

template <class _Rp, class _Cp>
struct __weak_result_type<_Rp (_Cp::*)() const>
    : public unary_function<const _Cp*, _Rp>
{
};

template <class _Rp, class _Cp>
struct __weak_result_type<_Rp (_Cp::*)() volatile>
    : public unary_function<volatile _Cp*, _Rp>
{
};

template <class _Rp, class _Cp>
struct __weak_result_type<_Rp (_Cp::*)() const volatile>
    : public unary_function<const volatile _Cp*, _Rp>
{
};

// 2 argument case

template <class _Rp, class _A1, class _A2>
struct __weak_result_type<_Rp (_A1, _A2)>
    : public binary_function<_A1, _A2, _Rp>
{
};

template <class _Rp, class _A1, class _A2>
struct __weak_result_type<_Rp (*)(_A1, _A2)>
    : public binary_function<_A1, _A2, _Rp>
{
};

template <class _Rp, class _A1, class _A2>
struct __weak_result_type<_Rp (&)(_A1, _A2)>
    : public binary_function<_A1, _A2, _Rp>
{
};

template <class _Rp, class _Cp, class _A1>
struct __weak_result_type<_Rp (_Cp::*)(_A1)>
    : public binary_function<_Cp*, _A1, _Rp>
{
};

template <class _Rp, class _Cp, class _A1>
struct __weak_result_type<_Rp (_Cp::*)(_A1) const>
    : public binary_function<const _Cp*, _A1, _Rp>
{
};

template <class _Rp, class _Cp, class _A1>
struct __weak_result_type<_Rp (_Cp::*)(_A1) volatile>
    : public binary_function<volatile _Cp*, _A1, _Rp>
{
};

template <class _Rp, class _Cp, class _A1>
struct __weak_result_type<_Rp (_Cp::*)(_A1) const volatile>
    : public binary_function<const volatile _Cp*, _A1, _Rp>
{
};

// 3 or more arguments

template <class _Rp, class _A1, class _A2, class _A3>
struct __weak_result_type<_Rp (_A1, _A2, _A3)>
{
    typedef _Rp result_type;
};

template <class _Rp, class _A1, class _A2, class _A3>
struct __weak_result_type<_Rp (&)(_A1, _A2, _A3)>
{
    typedef _Rp result_type;
};

template <class _Rp, class _A1, class _A2, class _A3>
struct __weak_result_type<_Rp (*)(_A1, _A2, _A3)>
{
    typedef _Rp result_type;
};

template <class _Rp, class _Cp, class _A1, class _A2>
struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2)>
{
    typedef _Rp result_type;
};

template <class _Rp, class _Cp, class _A1, class _A2>
struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2) const>
{
    typedef _Rp result_type;
};

template <class _Rp, class _Cp, class _A1, class _A2>
struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2) volatile>
{
    typedef _Rp result_type;
};

// __invoke

// __ref_return0
//
// template <class _Tp, bool _HasResultType>
// struct ________ref_return0  // _HasResultType is true
// {
//     typedef typename _Tp::result_type type;
// };
//
// template <class _Tp>
// struct ________ref_return0<_Tp, false>
// {
//     typedef void type;
// };
//
// template <class _Tp, bool _IsClass>
// struct ____ref_return0  // _IsClass is true
//     : public ________ref_return0<_Tp, __has_result_type<typename remove_cv<_Tp>::type>::value>
// {
// };
//
// template <class _Tp, bool _HasResultType>
// struct ______ref_return0  // _HasResultType is true
// {
//     typedef typename __callable_type<_Tp>::result_type type;
// };
//
// template <class _Tp>
// struct ______ref_return0<_Tp, false>  // pointer to member data
// {
//     typedef void type;
// };
//
// template <class _Tp>
// struct ____ref_return0<_Tp, false>
//     : public ______ref_return0<typename remove_cv<_Tp>::type,
//                  __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value>
// {
// };
//
// template <class _Tp>
// struct __ref_return0
//     : public ____ref_return0<typename remove_reference<_Tp>::type,
//                    is_class<typename remove_reference<_Tp>::type>::value>
// {
// };
//
// __ref_return1
//
// template <class _Tp, bool _IsClass, class _A0>
// struct ____ref_return1  // _IsClass is true
// {
//     typedef typename result_of<_Tp(_A0)>::type type;
// };
//
// template <class _Tp, bool _HasResultType, class _A0>
// struct ______ref_return1  // _HasResultType is true
// {
//     typedef typename __callable_type<_Tp>::result_type type;
// };
//
// template <class _Tp, class _A0, bool>
// struct __ref_return1_member_data1;
//
// template <class _Rp, class _Cp, class _A0>
// struct __ref_return1_member_data1<_Rp _Cp::*, _A0, true>
// {
//     typedef typename __apply_cv<_A0, _Rp>::type& type;
// };
//
// template <class _Rp, class _Cp, class _A0>
// struct __ref_return1_member_data1<_Rp _Cp::*, _A0, false>
// {
//     static _A0 __a;
//     typedef typename __apply_cv<decltype(*__a), _Rp>::type& type;
// };
//
// template <class _Tp, class _A0>
// struct __ref_return1_member_data;
//
// template <class _Rp, class _Cp, class _A0>
// struct __ref_return1_member_data<_Rp _Cp::*, _A0>
//     : public __ref_return1_member_data1<_Rp _Cp::*, _A0,
//                 is_same<typename remove_cv<_Cp>::type,
//                         typename remove_cv<typename remove_reference<_A0>::type>::type>::value>
// {
// };
//
// template <class _Tp, class _A0>
// struct ______ref_return1<_Tp, false, _A0>  // pointer to member data
//     : public __ref_return1_member_data<typename remove_cv<_Tp>::type, _A0>
// {
// };
//
// template <class _Tp, class _A0>
// struct ____ref_return1<_Tp, false, _A0>
//     : public ______ref_return1<typename remove_cv<_Tp>::type,
//                  __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value, _A0>
// {
// };
//
// template <class _Tp, class _A0>
// struct __ref_return1
//     : public ____ref_return1<typename remove_reference<_Tp>::type,
//                    is_class<typename remove_reference<_Tp>::type>::value, _A0>
// {
// };
//
// __ref_return2
//
// template <class _Tp, bool _IsClass, class _A0, class _A1>
// struct ____ref_return2  // _IsClass is true
// {
//     typedef typename result_of<_Tp(_A0, _A1)>::type type;
// };
//
// template <class _Tp, bool _HasResultType, class _A0, class _A1>
// struct ______ref_return2  // _HasResultType is true
// {
//     typedef typename __callable_type<_Tp>::result_type type;
// };
//
// template <class _Tp>
// struct ______ref_return2<_Tp, false, class _A0, class _A1>  // pointer to member data
// {
//     static_assert(sizeof(_Tp) == 0, "An attempt has been made to `call` a pointer"
//                          " to member data with too many arguments.");
// };
//
// template <class _Tp, class _A0, class _A1>
// struct ____ref_return2<_Tp, false, _A0, _A1>
//     : public ______ref_return2<typename remove_cv<_Tp>::type,
//                  __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value, _A0, _A1>
// {
// };
//
// template <class _Tp, class _A0, class _A1>
// struct __ref_return2
//     : public ____ref_return2<typename remove_reference<_Tp>::type,
//                    is_class<typename remove_reference<_Tp>::type>::value, _A0, _A1>
// {
// };
//
// __ref_return3
//
// template <class _Tp, bool _IsClass, class _A0, class _A1, class _A2>
// struct ____ref_return3  // _IsClass is true
// {
//     typedef typename result_of<_Tp(_A0, _A1, _A2)>::type type;
// };
//
// template <class _Tp, bool _HasResultType, class _A0, class _A1, class _A2>
// struct ______ref_return3  // _HasResultType is true
// {
//     typedef typename __callable_type<_Tp>::result_type type;
// };
//
// template <class _Tp>
// struct ______ref_return3<_Tp, false, class _A0, class _A1, class _A2>  // pointer to member data
// {
//     static_assert(sizeof(_Tp) == 0, "An attempt has been made to `call` a pointer"
//                          " to member data with too many arguments.");
// };
//
// template <class _Tp, class _A0, class _A1, class _A2>
// struct ____ref_return3<_Tp, false, _A0, _A1, _A2>
//     : public ______ref_return3<typename remove_cv<_Tp>::type,
//                  __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value, _A0, _A1, _A2>
// {
// };
//
// template <class _Tp, class _A0, class _A1, class _A2>
// struct __ref_return3
//     : public ____ref_return3<typename remove_reference<_Tp>::type,
//                    is_class<typename remove_reference<_Tp>::type>::value, _A0, _A1, _A2>
// {
// };

// first bullet

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(), _T1& __t1)
{
    return (__t1.*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0), _T1& __t1, _A0& __a0)
{
    return (__t1.*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1), _T1& __t1, _A0& __a0, _A1& __a1)
{
    return (__t1.*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2), _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return (__t1.*__f)(__a0, __a1, __a2);
}

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)() const, _T1& __t1)
{
    return (__t1.*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0) const, _T1& __t1, _A0& __a0)
{
    return (__t1.*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1) const, _T1& __t1, _A0& __a0, _A1& __a1)
{
    return (__t1.*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return (__t1.*__f)(__a0, __a1, __a2);
}

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)() volatile, _T1& __t1)
{
    return (__t1.*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0) volatile, _T1& __t1, _A0& __a0)
{
    return (__t1.*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1) volatile, _T1& __t1, _A0& __a0, _A1& __a1)
{
    return (__t1.*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) volatile, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return (__t1.*__f)(__a0, __a1, __a2);
}

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)() const volatile, _T1& __t1)
{
    return (__t1.*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0) const volatile, _T1& __t1, _A0& __a0)
{
    return (__t1.*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1) const volatile, _T1& __t1, _A0& __a0, _A1& __a1)
{
    return (__t1.*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const volatile, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return (__t1.*__f)(__a0, __a1, __a2);
}

// second bullet

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(), _T1 __t1)
{
    return ((*__t1).*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0), _T1 __t1, _A0& __a0)
{
    return ((*__t1).*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1), _T1 __t1, _A0& __a0, _A1& __a1)
{
    return ((*__t1).*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2), _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return ((*__t1).*__f)(__a0, __a1, __a2);
}

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)() const, _T1 __t1)
{
    return ((*__t1).*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0) const, _T1 __t1, _A0& __a0)
{
    return ((*__t1).*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1) const, _T1 __t1, _A0& __a0, _A1& __a1)
{
    return ((*__t1).*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return ((*__t1).*__f)(__a0, __a1, __a2);
}

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)() volatile, _T1 __t1)
{
    return ((*__t1).*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0) volatile, _T1 __t1, _A0& __a0)
{
    return ((*__t1).*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1) volatile, _T1 __t1, _A0& __a0, _A1& __a1)
{
    return ((*__t1).*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) volatile, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return ((*__t1).*__f)(__a0, __a1, __a2);
}

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)() const volatile, _T1 __t1)
{
    return ((*__t1).*__f)();
}

template <class _Rp, class _Tp, class _T1, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0) const volatile, _T1 __t1, _A0& __a0)
{
    return ((*__t1).*__f)(__a0);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1) const volatile, _T1 __t1, _A0& __a0, _A1& __a1)
{
    return ((*__t1).*__f)(__a0, __a1);
}

template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    _Rp
>::type
__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const volatile, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return ((*__t1).*__f)(__a0, __a1, __a2);
}

// third bullet

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
    is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
    typename __apply_cv<_T1, _Rp>::type&
>::type
__invoke(_Rp _Tp::* __f, _T1& __t1)
{
    return __t1.*__f;
}

template <class _Rp, class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
void
__invoke(_Rp _Tp::*)
{
}

// template <class _Dp, class _Rp, class _Tp, class _T1>
// inline _LIBCPP_INLINE_VISIBILITY
// typename enable_if
// <
//     is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
//     typename __ref_return1<_Rp _Tp::*, _T1>::type
// >::type
// __invoke(_Rp _Tp::* __f, _T1& __t1)
// {
//     return __t1.*__f;
// }

// forth bullet

template <class _T1, class _Rp, bool>
struct __4th_helper
{
};

template <class _T1, class _Rp>
struct __4th_helper<_T1, _Rp, true>
{
    typedef typename __apply_cv<decltype(*_VSTD::declval<_T1>()), _Rp>::type type;
};

template <class _Rp, class _Tp, class _T1>
inline _LIBCPP_INLINE_VISIBILITY
typename __4th_helper<_T1, _Rp,
                      !is_base_of<_Tp,
                                  typename remove_reference<_T1>::type
                                 >::value
                     >::type&
__invoke(_Rp _Tp::* __f, _T1& __t1)
{
    return (*__t1).*__f;
}

// template <class _Dp, class _Rp, class _Tp, class _T1>
// inline _LIBCPP_INLINE_VISIBILITY
// typename enable_if
// <
//     !is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
//     typename __ref_return1<_Rp _Tp::*, _T1>::type
// >::type
// __invoke(_Rp _Tp::* __f, _T1 __t1)
// {
//     return (*__t1).*__f;
// }

// fifth bullet

template <class _Fp>
inline _LIBCPP_INLINE_VISIBILITY
decltype(declval<_Fp>()())
__invoke(_Fp __f)
{
    return __f();
}

template <class _Fp, class _A0>
inline _LIBCPP_INLINE_VISIBILITY
decltype(declval<_Fp>()(declval<_A0&>()))
__invoke(_Fp __f, _A0& __a0)
{
    return __f(__a0);
}

template <class _Fp, class _A0, class _A1>
inline _LIBCPP_INLINE_VISIBILITY
decltype(declval<_Fp>()(declval<_A0&>(), declval<_A1&>()))
__invoke(_Fp __f, _A0& __a0, _A1& __a1)
{
    return __f(__a0, __a1);
}

template <class _Fp, class _A0, class _A1, class _A2>
inline _LIBCPP_INLINE_VISIBILITY
decltype(declval<_Fp>()(declval<_A0&>(), declval<_A1&>(), declval<_A2&>()))
__invoke(_Fp __f, _A0& __a0, _A1& __a1, _A2& __a2)
{
    return __f(__a0, __a1, __a2);
}

// template <class _Rp, class _Fp>
// inline _LIBCPP_INLINE_VISIBILITY
// _Rp
// __invoke(_Fp& __f)
// {
//     return __f();
// }
//
// template <class _Rp, class _Fp, class _A0>
// inline _LIBCPP_INLINE_VISIBILITY
// typename enable_if
// <
//     !is_member_pointer<_Fp>::value,
//     _Rp
// >::type
// __invoke(_Fp& __f, _A0& __a0)
// {
//     return __f(__a0);
// }
//
// template <class _Rp, class _Fp, class _A0, class _A1>
// inline _LIBCPP_INLINE_VISIBILITY
// _Rp
// __invoke(_Fp& __f, _A0& __a0, _A1& __a1)
// {
//     return __f(__a0, __a1);
// }
//
// template <class _Rp, class _Fp, class _A0, class _A1, class _A2>
// inline _LIBCPP_INLINE_VISIBILITY
// _Rp
// __invoke(_Fp& __f, _A0& __a0, _A1& __a1, _A2& __a2)
// {
//     return __f(__a0, __a1, __a2);
// }

template <class _Tp>
struct __has_type
{
private:
    struct __two {char _; char __;};
    template <class _Up> static __two __test(...);
    template <class _Up> static char __test(typename _Up::type* = 0);
public:
    static const bool value = sizeof(__test<_Tp>(0)) == 1;
};

template <class _Fp, bool = __has_result_type<__weak_result_type<_Fp> >::value>
struct __invoke_return
{
    typedef typename __weak_result_type<_Fp>::result_type type;
};

template <class _Fp>
struct __invoke_return<_Fp, false>
{
    typedef decltype(__invoke(_VSTD::declval<_Fp>())) type;
};

template <class _Tp, class _A0>
struct __invoke_return0
{
    typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>())) type;
};

template <class _Rp, class _Tp, class _A0>
struct __invoke_return0<_Rp _Tp::*, _A0>
{
    typedef typename __apply_cv<_A0, _Rp>::type& type;
};

template <class _Rp, class _Tp, class _A0>
struct __invoke_return0<_Rp _Tp::*, _A0*>
{
    typedef typename __apply_cv<_A0, _Rp>::type& type;
};

template <class _Tp, class _A0, class _A1>
struct __invoke_return1
{
    typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>(),
                                                    _VSTD::declval<_A1>())) type;
};

template <class _Tp, class _A0, class _A1, class _A2>
struct __invoke_return2
{
    typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>(),
                                                    _VSTD::declval<_A1>(),
                                                    _VSTD::declval<_A2>())) type;
};

template <class _Tp>
class _LIBCPP_VISIBLE reference_wrapper
    : public __weak_result_type<_Tp>
{
public:
    // types
    typedef _Tp type;
private:
    type* __f_;

public:
    // construct/copy/destroy
    _LIBCPP_INLINE_VISIBILITY reference_wrapper(type& __f) : __f_(&__f) {}

    // access
    _LIBCPP_INLINE_VISIBILITY operator type&    () const {return *__f_;}
    _LIBCPP_INLINE_VISIBILITY          type& get() const {return *__f_;}

    // invoke

    _LIBCPP_INLINE_VISIBILITY
    typename __invoke_return<type&>::type
       operator() () const
       {
           return __invoke(get());
       }

    template <class _A0>
       _LIBCPP_INLINE_VISIBILITY
       typename __invoke_return0<type&, _A0>::type
          operator() (_A0& __a0) const
          {
              return __invoke(get(), __a0);
          }

    template <class _A0, class _A1>
       _LIBCPP_INLINE_VISIBILITY
       typename __invoke_return1<type&, _A0, _A1>::type
          operator() (_A0& __a0, _A1& __a1) const
          {
              return __invoke(get(), __a0, __a1);
          }

    template <class _A0, class _A1, class _A2>
       _LIBCPP_INLINE_VISIBILITY
       typename __invoke_return2<type&, _A0, _A1, _A2>::type
          operator() (_A0& __a0, _A1& __a1, _A2& __a2) const
          {
              return __invoke(get(), __a0, __a1, __a2);
          }
};

template <class _Tp> struct ____is_reference_wrapper : public false_type {};
template <class _Tp> struct ____is_reference_wrapper<reference_wrapper<_Tp> > : public true_type {};
template <class _Tp> struct __is_reference_wrapper
    : public ____is_reference_wrapper<typename remove_cv<_Tp>::type> {};

template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
reference_wrapper<_Tp>
ref(_Tp& __t)
{
    return reference_wrapper<_Tp>(__t);
}

template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
reference_wrapper<_Tp>
ref(reference_wrapper<_Tp> __t)
{
    return ref(__t.get());
}

template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
reference_wrapper<const _Tp>
cref(const _Tp& __t)
{
    return reference_wrapper<const _Tp>(__t);
}

template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
reference_wrapper<const _Tp>
cref(reference_wrapper<_Tp> __t)
{
    return cref(__t.get());
}

#endif  // _LIBCPP_FUNCTIONAL_BASE_03
@


1.2.2.3
log
@## SVN ##
## SVN ## Exported commit - http://svnweb.freebsd.org/changeset/base/243683
## SVN ## CVS IS DEPRECATED: http://wiki.freebsd.org/CvsIsDeprecated
## SVN ##
## SVN ## ------------------------------------------------------------------------
## SVN ## r243683 | dim | 2012-11-29 21:26:57 +0000 (Thu, 29 Nov 2012) | 4 lines
## SVN ##
## SVN ## MFC r242945 (by theraven):
## SVN ##
## SVN ##   Import new version of libc++ into base.
## SVN ##
## SVN ## ------------------------------------------------------------------------
## SVN ##
@
text
@d22 1
a22 1
    struct __two {char __lx; char __lxx;};
d36 1
a36 1
    struct __two {char __lx; char __lxx;};
d946 1
a946 1
    struct __two {char __lx; char __lxx;};
@


1.2.2.4
log
@## SVN ## Exported commit - http://svnweb.freebsd.org/changeset/base/250514
## SVN ## CVS IS DEPRECATED: http://wiki.freebsd.org/CvsIsDeprecated
@
text
@d999 1
a999 1
class _LIBCPP_TYPE_VIS reference_wrapper
@


1.2.2.5
log
@## SVN ## Exported commit - http://svnweb.freebsd.org/changeset/base/262801
## SVN ## CVS IS DEPRECATED: http://wiki.freebsd.org/CvsIsDeprecated
@
text
@d999 1
a999 1
class _LIBCPP_TYPE_VIS_ONLY reference_wrapper
@


1.1
log
@SVN rev 227983 on 2011-11-25 20:59:04Z by theraven

Import libc++ / libcxxrt into base.  Not build by default yet (use
MK_LIBCPLUSPLUS=yes to enable).  This is a work-in-progress.  It works for
me, but is not guaranteed to work for anyone else and may eat your dog.

To build C++ using libc++, add -stdlib=libc++ to your CXX and LD flags.

Bug reports welcome, bug fixes even more welcome...

Approved by:	dim (mentor)
@
text
@d24 3
a26 3
    template <class _A, class _R>
        static unary_function<_A, _R>
        __test(const volatile unary_function<_A, _R>*);
d38 3
a40 3
    template <class _A1, class _A2, class _R>
        static binary_function<_A1, _A2, _R>
        __test(const volatile binary_function<_A1, _A2, _R>*);
d91 2
a92 2
template <class _R>
struct __weak_result_type<_R ()>
d94 1
a94 1
    typedef _R result_type;
d97 2
a98 2
template <class _R>
struct __weak_result_type<_R (&)()>
d100 1
a100 1
    typedef _R result_type;
d103 2
a104 2
template <class _R>
struct __weak_result_type<_R (*)()>
d106 1
a106 1
    typedef _R result_type;
d111 3
a113 3
template <class _R, class _A1>
struct __weak_result_type<_R (_A1)>
    : public unary_function<_A1, _R>
d117 3
a119 3
template <class _R, class _A1>
struct __weak_result_type<_R (&)(_A1)>
    : public unary_function<_A1, _R>
d123 3
a125 3
template <class _R, class _A1>
struct __weak_result_type<_R (*)(_A1)>
    : public unary_function<_A1, _R>
d129 3
a131 3
template <class _R, class _C>
struct __weak_result_type<_R (_C::*)()>
    : public unary_function<_C*, _R>
d135 3
a137 3
template <class _R, class _C>
struct __weak_result_type<_R (_C::*)() const>
    : public unary_function<const _C*, _R>
d141 3
a143 3
template <class _R, class _C>
struct __weak_result_type<_R (_C::*)() volatile>
    : public unary_function<volatile _C*, _R>
d147 3
a149 3
template <class _R, class _C>
struct __weak_result_type<_R (_C::*)() const volatile>
    : public unary_function<const volatile _C*, _R>
d155 3
a157 3
template <class _R, class _A1, class _A2>
struct __weak_result_type<_R (_A1, _A2)>
    : public binary_function<_A1, _A2, _R>
d161 3
a163 3
template <class _R, class _A1, class _A2>
struct __weak_result_type<_R (*)(_A1, _A2)>
    : public binary_function<_A1, _A2, _R>
d167 3
a169 3
template <class _R, class _A1, class _A2>
struct __weak_result_type<_R (&)(_A1, _A2)>
    : public binary_function<_A1, _A2, _R>
d173 3
a175 3
template <class _R, class _C, class _A1>
struct __weak_result_type<_R (_C::*)(_A1)>
    : public binary_function<_C*, _A1, _R>
d179 3
a181 3
template <class _R, class _C, class _A1>
struct __weak_result_type<_R (_C::*)(_A1) const>
    : public binary_function<const _C*, _A1, _R>
d185 3
a187 3
template <class _R, class _C, class _A1>
struct __weak_result_type<_R (_C::*)(_A1) volatile>
    : public binary_function<volatile _C*, _A1, _R>
d191 3
a193 3
template <class _R, class _C, class _A1>
struct __weak_result_type<_R (_C::*)(_A1) const volatile>
    : public binary_function<const volatile _C*, _A1, _R>
d199 2
a200 2
template <class _R, class _A1, class _A2, class _A3>
struct __weak_result_type<_R (_A1, _A2, _A3)>
d202 1
a202 1
    typedef _R result_type;
d205 2
a206 2
template <class _R, class _A1, class _A2, class _A3>
struct __weak_result_type<_R (&)(_A1, _A2, _A3)>
d208 1
a208 1
    typedef _R result_type;
d211 2
a212 2
template <class _R, class _A1, class _A2, class _A3>
struct __weak_result_type<_R (*)(_A1, _A2, _A3)>
d214 1
a214 1
    typedef _R result_type;
d217 2
a218 2
template <class _R, class _C, class _A1, class _A2>
struct __weak_result_type<_R (_C::*)(_A1, _A2)>
d220 1
a220 1
    typedef _R result_type;
d223 2
a224 2
template <class _R, class _C, class _A1, class _A2>
struct __weak_result_type<_R (_C::*)(_A1, _A2) const>
d226 1
a226 1
    typedef _R result_type;
d229 2
a230 2
template <class _R, class _C, class _A1, class _A2>
struct __weak_result_type<_R (_C::*)(_A1, _A2) volatile>
d232 1
a232 1
    typedef _R result_type;
d300 2
a301 2
// template <class _R, class _C, class _A0>
// struct __ref_return1_member_data1<_R _C::*, _A0, true>
d303 1
a303 1
//     typedef typename __apply_cv<_A0, _R>::type& type;
d306 2
a307 2
// template <class _R, class _C, class _A0>
// struct __ref_return1_member_data1<_R _C::*, _A0, false>
d310 1
a310 1
//     typedef typename __apply_cv<decltype(*__a), _R>::type& type;
d316 4
a319 4
// template <class _R, class _C, class _A0>
// struct __ref_return1_member_data<_R _C::*, _A0>
//     : public __ref_return1_member_data1<_R _C::*, _A0,
//                 is_same<typename remove_cv<_C>::type,
d416 1
a416 1
template <class _R, class _T, class _T1>
d420 2
a421 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d423 1
a423 1
__invoke(_R (_T::*__f)(), _T1& __t1)
d428 1
a428 1
template <class _R, class _T, class _T1, class _A0>
d432 2
a433 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d435 1
a435 1
__invoke(_R (_T::*__f)(_A0), _T1& __t1, _A0& __a0)
d440 1
a440 1
template <class _R, class _T, class _T1, class _A0, class _A1>
d444 2
a445 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d447 1
a447 1
__invoke(_R (_T::*__f)(_A0, _A1), _T1& __t1, _A0& __a0, _A1& __a1)
d452 1
a452 1
template <class _R, class _T, class _T1, class _A0, class _A1, class _A2>
d456 2
a457 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d459 1
a459 1
__invoke(_R (_T::*__f)(_A0, _A1, _A2), _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2)
d464 1
a464 1
template <class _R, class _T, class _T1>
d468 2
a469 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d471 1
a471 1
__invoke(_R (_T::*__f)() const, _T1& __t1)
d476 1
a476 1
template <class _R, class _T, class _T1, class _A0>
d480 2
a481 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d483 1
a483 1
__invoke(_R (_T::*__f)(_A0) const, _T1& __t1, _A0& __a0)
d488 1
a488 1
template <class _R, class _T, class _T1, class _A0, class _A1>
d492 2
a493 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d495 1
a495 1
__invoke(_R (_T::*__f)(_A0, _A1) const, _T1& __t1, _A0& __a0, _A1& __a1)
d500 1
a500 1
template <class _R, class _T, class _T1, class _A0, class _A1, class _A2>
d504 2
a505 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d507 1
a507 1
__invoke(_R (_T::*__f)(_A0, _A1, _A2) const, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2)
d512 1
a512 1
template <class _R, class _T, class _T1>
d516 2
a517 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d519 1
a519 1
__invoke(_R (_T::*__f)() volatile, _T1& __t1)
d524 1
a524 1
template <class _R, class _T, class _T1, class _A0>
d528 2
a529 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d531 1
a531 1
__invoke(_R (_T::*__f)(_A0) volatile, _T1& __t1, _A0& __a0)
d536 1
a536 1
template <class _R, class _T, class _T1, class _A0, class _A1>
d540 2
a541 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d543 1
a543 1
__invoke(_R (_T::*__f)(_A0, _A1) volatile, _T1& __t1, _A0& __a0, _A1& __a1)
d548 1
a548 1
template <class _R, class _T, class _T1, class _A0, class _A1, class _A2>
d552 2
a553 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d555 1
a555 1
__invoke(_R (_T::*__f)(_A0, _A1, _A2) volatile, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2)
d560 1
a560 1
template <class _R, class _T, class _T1>
d564 2
a565 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d567 1
a567 1
__invoke(_R (_T::*__f)() const volatile, _T1& __t1)
d572 1
a572 1
template <class _R, class _T, class _T1, class _A0>
d576 2
a577 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d579 1
a579 1
__invoke(_R (_T::*__f)(_A0) const volatile, _T1& __t1, _A0& __a0)
d584 1
a584 1
template <class _R, class _T, class _T1, class _A0, class _A1>
d588 2
a589 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d591 1
a591 1
__invoke(_R (_T::*__f)(_A0, _A1) const volatile, _T1& __t1, _A0& __a0, _A1& __a1)
d596 1
a596 1
template <class _R, class _T, class _T1, class _A0, class _A1, class _A2>
d600 2
a601 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d603 1
a603 1
__invoke(_R (_T::*__f)(_A0, _A1, _A2) const volatile, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2)
d610 1
a610 1
template <class _R, class _T, class _T1>
d614 2
a615 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d617 1
a617 1
__invoke(_R (_T::*__f)(), _T1 __t1)
d622 1
a622 1
template <class _R, class _T, class _T1, class _A0>
d626 2
a627 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d629 1
a629 1
__invoke(_R (_T::*__f)(_A0), _T1 __t1, _A0& __a0)
d634 1
a634 1
template <class _R, class _T, class _T1, class _A0, class _A1>
d638 2
a639 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d641 1
a641 1
__invoke(_R (_T::*__f)(_A0, _A1), _T1 __t1, _A0& __a0, _A1& __a1)
d646 1
a646 1
template <class _R, class _T, class _T1, class _A0, class _A1, class _A2>
d650 2
a651 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d653 1
a653 1
__invoke(_R (_T::*__f)(_A0, _A1, _A2), _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2)
d658 1
a658 1
template <class _R, class _T, class _T1>
d662 2
a663 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d665 1
a665 1
__invoke(_R (_T::*__f)() const, _T1 __t1)
d670 1
a670 1
template <class _R, class _T, class _T1, class _A0>
d674 2
a675 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d677 1
a677 1
__invoke(_R (_T::*__f)(_A0) const, _T1 __t1, _A0& __a0)
d682 1
a682 1
template <class _R, class _T, class _T1, class _A0, class _A1>
d686 2
a687 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d689 1
a689 1
__invoke(_R (_T::*__f)(_A0, _A1) const, _T1 __t1, _A0& __a0, _A1& __a1)
d694 1
a694 1
template <class _R, class _T, class _T1, class _A0, class _A1, class _A2>
d698 2
a699 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d701 1
a701 1
__invoke(_R (_T::*__f)(_A0, _A1, _A2) const, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2)
d706 1
a706 1
template <class _R, class _T, class _T1>
d710 2
a711 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d713 1
a713 1
__invoke(_R (_T::*__f)() volatile, _T1 __t1)
d718 1
a718 1
template <class _R, class _T, class _T1, class _A0>
d722 2
a723 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d725 1
a725 1
__invoke(_R (_T::*__f)(_A0) volatile, _T1 __t1, _A0& __a0)
d730 1
a730 1
template <class _R, class _T, class _T1, class _A0, class _A1>
d734 2
a735 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d737 1
a737 1
__invoke(_R (_T::*__f)(_A0, _A1) volatile, _T1 __t1, _A0& __a0, _A1& __a1)
d742 1
a742 1
template <class _R, class _T, class _T1, class _A0, class _A1, class _A2>
d746 2
a747 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d749 1
a749 1
__invoke(_R (_T::*__f)(_A0, _A1, _A2) volatile, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2)
d754 1
a754 1
template <class _R, class _T, class _T1>
d758 2
a759 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d761 1
a761 1
__invoke(_R (_T::*__f)() const volatile, _T1 __t1)
d766 1
a766 1
template <class _R, class _T, class _T1, class _A0>
d770 2
a771 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d773 1
a773 1
__invoke(_R (_T::*__f)(_A0) const volatile, _T1 __t1, _A0& __a0)
d778 1
a778 1
template <class _R, class _T, class _T1, class _A0, class _A1>
d782 2
a783 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d785 1
a785 1
__invoke(_R (_T::*__f)(_A0, _A1) const volatile, _T1 __t1, _A0& __a0, _A1& __a1)
d790 1
a790 1
template <class _R, class _T, class _T1, class _A0, class _A1, class _A2>
d794 2
a795 2
    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
    _R
d797 1
a797 1
__invoke(_R (_T::*__f)(_A0, _A1, _A2) const volatile, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2)
d804 1
a804 1
template <class _R, class _T, class _T1>
d808 2
a809 2
    is_base_of<_T, typename remove_reference<_T1>::type>::value,
    typename __apply_cv<_T1, _R>::type&
d811 1
a811 1
__invoke(_R _T::* __f, _T1& __t1)
d816 1
a816 1
template <class _R, class _T>
d819 1
a819 1
__invoke(_R _T::*)
d823 1
a823 1
// template <class _D, class _R, class _T, class _T1>
d827 2
a828 2
//     is_base_of<_T, typename remove_reference<_T1>::type>::value,
//     typename __ref_return1<_R _T::*, _T1>::type
d830 1
a830 1
// __invoke(_R _T::* __f, _T1& __t1)
d837 1
a837 1
template <class _T1, class _R, bool>
d842 2
a843 2
template <class _T1, class _R>
struct __4th_helper<_T1, _R, true>
d845 1
a845 1
    typedef typename __apply_cv<decltype(*_VSTD::declval<_T1>()), _R>::type type;
d848 1
a848 1
template <class _R, class _T, class _T1>
d850 2
a851 2
typename __4th_helper<_T1, _R,
                      !is_base_of<_T,
d855 1
a855 1
__invoke(_R _T::* __f, _T1& __t1)
d860 1
a860 1
// template <class _D, class _R, class _T, class _T1>
d864 2
a865 2
//     !is_base_of<_T, typename remove_reference<_T1>::type>::value,
//     typename __ref_return1<_R _T::*, _T1>::type
d867 1
a867 1
// __invoke(_R _T::* __f, _T1 __t1)
d874 1
a874 1
template <class _F>
d876 2
a877 2
decltype(declval<_F>()())
__invoke(_F __f)
d882 1
a882 1
template <class _F, class _A0>
d884 2
a885 2
decltype(declval<_F>()(declval<_A0&>()))
__invoke(_F __f, _A0& __a0)
d890 1
a890 1
template <class _F, class _A0, class _A1>
d892 2
a893 2
decltype(declval<_F>()(declval<_A0&>(), declval<_A1&>()))
__invoke(_F __f, _A0& __a0, _A1& __a1)
d898 1
a898 1
template <class _F, class _A0, class _A1, class _A2>
d900 2
a901 2
decltype(declval<_F>()(declval<_A0&>(), declval<_A1&>(), declval<_A2&>()))
__invoke(_F __f, _A0& __a0, _A1& __a1, _A2& __a2)
d906 1
a906 1
// template <class _R, class _F>
d908 2
a909 2
// _R
// __invoke(_F& __f)
d914 1
a914 1
// template <class _R, class _F, class _A0>
d918 2
a919 2
//     !is_member_pointer<_F>::value,
//     _R
d921 1
a921 1
// __invoke(_F& __f, _A0& __a0)
d926 1
a926 1
// template <class _R, class _F, class _A0, class _A1>
d928 2
a929 2
// _R
// __invoke(_F& __f, _A0& __a0, _A1& __a1)
d934 1
a934 1
// template <class _R, class _F, class _A0, class _A1, class _A2>
d936 2
a937 2
// _R
// __invoke(_F& __f, _A0& __a0, _A1& __a1, _A2& __a2)
d953 1
a953 1
template <class _F, bool = __has_result_type<__weak_result_type<_F> >::value>
d956 1
a956 1
    typedef typename __weak_result_type<_F>::result_type type;
d959 2
a960 2
template <class _F>
struct __invoke_return<_F, false>
d962 1
a962 1
    typedef decltype(__invoke(_VSTD::declval<_F>())) type;
d971 2
a972 2
template <class _R, class _T, class _A0>
struct __invoke_return0<_R _T::*, _A0>
d974 1
a974 1
    typedef typename __apply_cv<_A0, _R>::type& type;
d977 2
a978 2
template <class _R, class _T, class _A0>
struct __invoke_return0<_R _T::*, _A0*>
d980 1
a980 1
    typedef typename __apply_cv<_A0, _R>::type& type;
@

