| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. 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 |
| typename result_of<_F()>::type |
| __invoke(_F __f) |
| { |
| return __f(); |
| } |
| |
| template <class _F, class _A0> |
| inline _LIBCPP_INLINE_VISIBILITY |
| typename result_of<_F(_A0)>::type |
| __invoke(_F __f, _A0& __a0) |
| { |
| return __f(__a0); |
| } |
| |
| template <class _F, class _A0, class _A1> |
| inline _LIBCPP_INLINE_VISIBILITY |
| typename result_of<_F(_A0, _A1)>::type |
| __invoke(_F __f, _A0& __a0, _A1& __a1) |
| { |
| return __f(__a0, __a1); |
| } |
| |
| template <class _F, class _A0, class _A1, class _A2> |
| inline _LIBCPP_INLINE_VISIBILITY |
| typename result_of<_F(_A0, _A1, _A2)>::type |
| __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 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 |
| |
| typename __invoke_return<type&>::type |
| operator() () const |
| { |
| return __invoke(get()); |
| } |
| |
| template <class _A0> |
| typename __invoke_return0<type&, _A0>::type |
| operator() (_A0& __a0) const |
| { |
| return __invoke(get(), __a0); |
| } |
| |
| template <class _A0, class _A1> |
| 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> |
| 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 |