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Diffstat (limited to 'tests/libcxx/include/__functional_base_03')
| -rw-r--r-- | tests/libcxx/include/__functional_base_03 | 1087 |
1 files changed, 1087 insertions, 0 deletions
diff --git a/tests/libcxx/include/__functional_base_03 b/tests/libcxx/include/__functional_base_03 new file mode 100644 index 00000000..7fed6c75 --- /dev/null +++ b/tests/libcxx/include/__functional_base_03 @@ -0,0 +1,1087 @@ +// -*- 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 _A, class _R> + static unary_function<_A, _R> + __test(const volatile unary_function<_A, _R>*); +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 _R> + static binary_function<_A1, _A2, _R> + __test(const volatile binary_function<_A1, _A2, _R>*); +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 _R> +struct __weak_result_type<_R ()> +{ + typedef _R result_type; +}; + +template <class _R> +struct __weak_result_type<_R (&)()> +{ + typedef _R result_type; +}; + +template <class _R> +struct __weak_result_type<_R (*)()> +{ + typedef _R result_type; +}; + +// 1 argument case + +template <class _R, class _A1> +struct __weak_result_type<_R (_A1)> + : public unary_function<_A1, _R> +{ +}; + +template <class _R, class _A1> +struct __weak_result_type<_R (&)(_A1)> + : public unary_function<_A1, _R> +{ +}; + +template <class _R, class _A1> +struct __weak_result_type<_R (*)(_A1)> + : public unary_function<_A1, _R> +{ +}; + +template <class _R, class _C> +struct __weak_result_type<_R (_C::*)()> + : public unary_function<_C*, _R> +{ +}; + +template <class _R, class _C> +struct __weak_result_type<_R (_C::*)() const> + : public unary_function<const _C*, _R> +{ +}; + +template <class _R, class _C> +struct __weak_result_type<_R (_C::*)() volatile> + : public unary_function<volatile _C*, _R> +{ +}; + +template <class _R, class _C> +struct __weak_result_type<_R (_C::*)() const volatile> + : public unary_function<const volatile _C*, _R> +{ +}; + +// 2 argument case + +template <class _R, class _A1, class _A2> +struct __weak_result_type<_R (_A1, _A2)> + : public binary_function<_A1, _A2, _R> +{ +}; + +template <class _R, class _A1, class _A2> +struct __weak_result_type<_R (*)(_A1, _A2)> + : public binary_function<_A1, _A2, _R> +{ +}; + +template <class _R, class _A1, class _A2> +struct __weak_result_type<_R (&)(_A1, _A2)> + : public binary_function<_A1, _A2, _R> +{ +}; + +template <class _R, class _C, class _A1> +struct __weak_result_type<_R (_C::*)(_A1)> + : public binary_function<_C*, _A1, _R> +{ +}; + +template <class _R, class _C, class _A1> +struct __weak_result_type<_R (_C::*)(_A1) const> + : public binary_function<const _C*, _A1, _R> +{ +}; + +template <class _R, class _C, class _A1> +struct __weak_result_type<_R (_C::*)(_A1) volatile> + : public binary_function<volatile _C*, _A1, _R> +{ +}; + +template <class _R, class _C, class _A1> +struct __weak_result_type<_R (_C::*)(_A1) const volatile> + : public binary_function<const volatile _C*, _A1, _R> +{ +}; + +// 3 or more arguments + +template <class _R, class _A1, class _A2, class _A3> +struct __weak_result_type<_R (_A1, _A2, _A3)> +{ + typedef _R result_type; +}; + +template <class _R, class _A1, class _A2, class _A3> +struct __weak_result_type<_R (&)(_A1, _A2, _A3)> +{ + typedef _R result_type; +}; + +template <class _R, class _A1, class _A2, class _A3> +struct __weak_result_type<_R (*)(_A1, _A2, _A3)> +{ + typedef _R result_type; +}; + +template <class _R, class _C, class _A1, class _A2> +struct __weak_result_type<_R (_C::*)(_A1, _A2)> +{ + typedef _R result_type; +}; + +template <class _R, class _C, class _A1, class _A2> +struct __weak_result_type<_R (_C::*)(_A1, _A2) const> +{ + typedef _R result_type; +}; + +template <class _R, class _C, class _A1, class _A2> +struct __weak_result_type<_R (_C::*)(_A1, _A2) volatile> +{ + typedef _R 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 _R, class _C, class _A0> +// struct __ref_return1_member_data1<_R _C::*, _A0, true> +// { +// typedef typename __apply_cv<_A0, _R>::type& type; +// }; +// +// template <class _R, class _C, class _A0> +// struct __ref_return1_member_data1<_R _C::*, _A0, false> +// { +// static _A0 __a; +// typedef typename __apply_cv<decltype(*__a), _R>::type& type; +// }; +// +// template <class _Tp, class _A0> +// struct __ref_return1_member_data; +// +// 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, +// 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 _R, class _T, class _T1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(), _T1& __t1) +{ + return (__t1.*__f)(); +} + +template <class _R, class _T, class _T1, class _A0> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0), _T1& __t1, _A0& __a0) +{ + return (__t1.*__f)(__a0); +} + +template <class _R, class _T, class _T1, class _A0, class _A1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1), _T1& __t1, _A0& __a0, _A1& __a1) +{ + return (__t1.*__f)(__a0, __a1); +} + +template <class _R, class _T, class _T1, class _A0, class _A1, class _A2> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1, _A2), _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2) +{ + return (__t1.*__f)(__a0, __a1, __a2); +} + +template <class _R, class _T, class _T1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)() const, _T1& __t1) +{ + return (__t1.*__f)(); +} + +template <class _R, class _T, class _T1, class _A0> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0) const, _T1& __t1, _A0& __a0) +{ + return (__t1.*__f)(__a0); +} + +template <class _R, class _T, class _T1, class _A0, class _A1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1) const, _T1& __t1, _A0& __a0, _A1& __a1) +{ + return (__t1.*__f)(__a0, __a1); +} + +template <class _R, class _T, class _T1, class _A0, class _A1, class _A2> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1, _A2) const, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2) +{ + return (__t1.*__f)(__a0, __a1, __a2); +} + +template <class _R, class _T, class _T1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)() volatile, _T1& __t1) +{ + return (__t1.*__f)(); +} + +template <class _R, class _T, class _T1, class _A0> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0) volatile, _T1& __t1, _A0& __a0) +{ + return (__t1.*__f)(__a0); +} + +template <class _R, class _T, class _T1, class _A0, class _A1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1) volatile, _T1& __t1, _A0& __a0, _A1& __a1) +{ + return (__t1.*__f)(__a0, __a1); +} + +template <class _R, class _T, class _T1, class _A0, class _A1, class _A2> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1, _A2) volatile, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2) +{ + return (__t1.*__f)(__a0, __a1, __a2); +} + +template <class _R, class _T, class _T1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)() const volatile, _T1& __t1) +{ + return (__t1.*__f)(); +} + +template <class _R, class _T, class _T1, class _A0> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0) const volatile, _T1& __t1, _A0& __a0) +{ + return (__t1.*__f)(__a0); +} + +template <class _R, class _T, class _T1, class _A0, class _A1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1) const volatile, _T1& __t1, _A0& __a0, _A1& __a1) +{ + return (__t1.*__f)(__a0, __a1); +} + +template <class _R, class _T, class _T1, class _A0, class _A1, class _A2> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1, _A2) const volatile, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2) +{ + return (__t1.*__f)(__a0, __a1, __a2); +} + +// second bullet + +template <class _R, class _T, class _T1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(), _T1 __t1) +{ + return ((*__t1).*__f)(); +} + +template <class _R, class _T, class _T1, class _A0> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0), _T1 __t1, _A0& __a0) +{ + return ((*__t1).*__f)(__a0); +} + +template <class _R, class _T, class _T1, class _A0, class _A1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1), _T1 __t1, _A0& __a0, _A1& __a1) +{ + return ((*__t1).*__f)(__a0, __a1); +} + +template <class _R, class _T, class _T1, class _A0, class _A1, class _A2> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1, _A2), _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2) +{ + return ((*__t1).*__f)(__a0, __a1, __a2); +} + +template <class _R, class _T, class _T1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)() const, _T1 __t1) +{ + return ((*__t1).*__f)(); +} + +template <class _R, class _T, class _T1, class _A0> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0) const, _T1 __t1, _A0& __a0) +{ + return ((*__t1).*__f)(__a0); +} + +template <class _R, class _T, class _T1, class _A0, class _A1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1) const, _T1 __t1, _A0& __a0, _A1& __a1) +{ + return ((*__t1).*__f)(__a0, __a1); +} + +template <class _R, class _T, class _T1, class _A0, class _A1, class _A2> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1, _A2) const, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2) +{ + return ((*__t1).*__f)(__a0, __a1, __a2); +} + +template <class _R, class _T, class _T1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)() volatile, _T1 __t1) +{ + return ((*__t1).*__f)(); +} + +template <class _R, class _T, class _T1, class _A0> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0) volatile, _T1 __t1, _A0& __a0) +{ + return ((*__t1).*__f)(__a0); +} + +template <class _R, class _T, class _T1, class _A0, class _A1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1) volatile, _T1 __t1, _A0& __a0, _A1& __a1) +{ + return ((*__t1).*__f)(__a0, __a1); +} + +template <class _R, class _T, class _T1, class _A0, class _A1, class _A2> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1, _A2) volatile, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2) +{ + return ((*__t1).*__f)(__a0, __a1, __a2); +} + +template <class _R, class _T, class _T1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)() const volatile, _T1 __t1) +{ + return ((*__t1).*__f)(); +} + +template <class _R, class _T, class _T1, class _A0> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0) const volatile, _T1 __t1, _A0& __a0) +{ + return ((*__t1).*__f)(__a0); +} + +template <class _R, class _T, class _T1, class _A0, class _A1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1) const volatile, _T1 __t1, _A0& __a0, _A1& __a1) +{ + return ((*__t1).*__f)(__a0, __a1); +} + +template <class _R, class _T, class _T1, class _A0, class _A1, class _A2> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + !is_base_of<_T, typename remove_reference<_T1>::type>::value, + _R +>::type +__invoke(_R (_T::*__f)(_A0, _A1, _A2) const volatile, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2) +{ + return ((*__t1).*__f)(__a0, __a1, __a2); +} + +// third bullet + +template <class _R, class _T, class _T1> +inline _LIBCPP_INLINE_VISIBILITY +typename enable_if +< + is_base_of<_T, typename remove_reference<_T1>::type>::value, + typename __apply_cv<_T1, _R>::type& +>::type +__invoke(_R _T::* __f, _T1& __t1) +{ + return __t1.*__f; +} + +template <class _R, class _T> +inline _LIBCPP_INLINE_VISIBILITY +void +__invoke(_R _T::*) +{ +} + +// template <class _D, class _R, class _T, class _T1> +// inline _LIBCPP_INLINE_VISIBILITY +// typename enable_if +// < +// is_base_of<_T, typename remove_reference<_T1>::type>::value, +// typename __ref_return1<_R _T::*, _T1>::type +// >::type +// __invoke(_R _T::* __f, _T1& __t1) +// { +// return __t1.*__f; +// } + +// forth bullet + +template <class _T1, class _R, bool> +struct __4th_helper +{ +}; + +template <class _T1, class _R> +struct __4th_helper<_T1, _R, true> +{ + typedef typename __apply_cv<decltype(*_STD::declval<_T1>()), _R>::type type; +}; + +template <class _R, class _T, class _T1> +inline _LIBCPP_INLINE_VISIBILITY +typename __4th_helper<_T1, _R, + !is_base_of<_T, + typename remove_reference<_T1>::type + >::value + >::type& +__invoke(_R _T::* __f, _T1& __t1) +{ + return (*__t1).*__f; +} + +// template <class _D, class _R, class _T, class _T1> +// inline _LIBCPP_INLINE_VISIBILITY +// typename enable_if +// < +// !is_base_of<_T, typename remove_reference<_T1>::type>::value, +// typename __ref_return1<_R _T::*, _T1>::type +// >::type +// __invoke(_R _T::* __f, _T1 __t1) +// { +// return (*__t1).*__f; +// } + +// fifth bullet + +template <class _F> +inline _LIBCPP_INLINE_VISIBILITY +decltype(declval<_F>()()) +__invoke(_F __f) +{ + return __f(); +} + +template <class _F, class _A0> +inline _LIBCPP_INLINE_VISIBILITY +decltype(declval<_F>()(declval<_A0&>())) +__invoke(_F __f, _A0& __a0) +{ + return __f(__a0); +} + +template <class _F, class _A0, class _A1> +inline _LIBCPP_INLINE_VISIBILITY +decltype(declval<_F>()(declval<_A0&>(), declval<_A1&>())) +__invoke(_F __f, _A0& __a0, _A1& __a1) +{ + return __f(__a0, __a1); +} + +template <class _F, class _A0, class _A1, class _A2> +inline _LIBCPP_INLINE_VISIBILITY +decltype(declval<_F>()(declval<_A0&>(), declval<_A1&>(), declval<_A2&>())) +__invoke(_F __f, _A0& __a0, _A1& __a1, _A2& __a2) +{ + return __f(__a0, __a1, __a2); +} + +// template <class _R, class _F> +// inline _LIBCPP_INLINE_VISIBILITY +// _R +// __invoke(_F& __f) +// { +// return __f(); +// } +// +// template <class _R, class _F, class _A0> +// inline _LIBCPP_INLINE_VISIBILITY +// typename enable_if +// < +// !is_member_pointer<_F>::value, +// _R +// >::type +// __invoke(_F& __f, _A0& __a0) +// { +// return __f(__a0); +// } +// +// template <class _R, class _F, class _A0, class _A1> +// inline _LIBCPP_INLINE_VISIBILITY +// _R +// __invoke(_F& __f, _A0& __a0, _A1& __a1) +// { +// return __f(__a0, __a1); +// } +// +// template <class _R, class _F, class _A0, class _A1, class _A2> +// inline _LIBCPP_INLINE_VISIBILITY +// _R +// __invoke(_F& __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 _F, bool = __has_result_type<__weak_result_type<_F> >::value> +struct __invoke_return +{ + typedef typename __weak_result_type<_F>::result_type type; +}; + +template <class _F> +struct __invoke_return<_F, false> +{ + typedef decltype(__invoke(_STD::declval<_F>())) type; +}; + +template <class _Tp, class _A0> +struct __invoke_return0 +{ + typedef decltype(__invoke(_STD::declval<_Tp>(), _STD::declval<_A0>())) type; +}; + +template <class _R, class _T, class _A0> +struct __invoke_return0<_R _T::*, _A0> +{ + typedef typename __apply_cv<_A0, _R>::type& type; +}; + +template <class _R, class _T, class _A0> +struct __invoke_return0<_R _T::*, _A0*> +{ + typedef typename __apply_cv<_A0, _R>::type& type; +}; + +template <class _Tp, class _A0, class _A1> +struct __invoke_return1 +{ + typedef decltype(__invoke(_STD::declval<_Tp>(), _STD::declval<_A0>(), + _STD::declval<_A1>())) type; +}; + +template <class _Tp, class _A0, class _A1, class _A2> +struct __invoke_return2 +{ + typedef decltype(__invoke(_STD::declval<_Tp>(), _STD::declval<_A0>(), + _STD::declval<_A1>(), + _STD::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 |