1145 lines
29 KiB
C++
1145 lines
29 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_FUNCTIONAL_BASE_03
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#define _LIBCPP_FUNCTIONAL_BASE_03
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// manual variadic expansion for <functional>
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// __weak_result_type
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template <class _Tp>
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struct __derives_from_unary_function
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{
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private:
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struct __two {char __lx; char __lxx;};
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static __two __test(...);
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template <class _Ap, class _Rp>
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static unary_function<_Ap, _Rp>
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__test(const volatile unary_function<_Ap, _Rp>*);
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public:
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static const bool value = !is_same<decltype(__test((_Tp*)0)), __two>::value;
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typedef decltype(__test((_Tp*)0)) type;
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};
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template <class _Tp>
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struct __derives_from_binary_function
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{
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private:
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struct __two {char __lx; char __lxx;};
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static __two __test(...);
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template <class _A1, class _A2, class _Rp>
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static binary_function<_A1, _A2, _Rp>
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__test(const volatile binary_function<_A1, _A2, _Rp>*);
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public:
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static const bool value = !is_same<decltype(__test((_Tp*)0)), __two>::value;
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typedef decltype(__test((_Tp*)0)) type;
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};
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template <class _Tp, bool = __derives_from_unary_function<_Tp>::value>
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struct __maybe_derive_from_unary_function // bool is true
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: public __derives_from_unary_function<_Tp>::type
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{
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};
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template <class _Tp>
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struct __maybe_derive_from_unary_function<_Tp, false>
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{
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};
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template <class _Tp, bool = __derives_from_binary_function<_Tp>::value>
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struct __maybe_derive_from_binary_function // bool is true
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: public __derives_from_binary_function<_Tp>::type
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{
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};
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template <class _Tp>
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struct __maybe_derive_from_binary_function<_Tp, false>
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{
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};
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template <class _Tp, bool = __has_result_type<_Tp>::value>
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struct __weak_result_type_imp // bool is true
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: public __maybe_derive_from_unary_function<_Tp>,
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public __maybe_derive_from_binary_function<_Tp>
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{
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typedef typename _Tp::result_type result_type;
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};
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template <class _Tp>
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struct __weak_result_type_imp<_Tp, false>
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: public __maybe_derive_from_unary_function<_Tp>,
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public __maybe_derive_from_binary_function<_Tp>
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{
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};
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template <class _Tp>
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struct __weak_result_type
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: public __weak_result_type_imp<typename remove_reference<_Tp>::type>
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{
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};
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// 0 argument case
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template <class _Rp>
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struct __weak_result_type<_Rp ()>
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{
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typedef _Rp result_type;
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};
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template <class _Rp>
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struct __weak_result_type<_Rp (&)()>
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{
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typedef _Rp result_type;
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};
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template <class _Rp>
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struct __weak_result_type<_Rp (*)()>
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{
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typedef _Rp result_type;
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};
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// 1 argument case
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template <class _Rp, class _A1>
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struct __weak_result_type<_Rp (_A1)>
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: public unary_function<_A1, _Rp>
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{
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};
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template <class _Rp, class _A1>
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struct __weak_result_type<_Rp (&)(_A1)>
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: public unary_function<_A1, _Rp>
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{
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};
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template <class _Rp, class _A1>
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struct __weak_result_type<_Rp (*)(_A1)>
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: public unary_function<_A1, _Rp>
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{
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};
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template <class _Rp, class _Cp>
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struct __weak_result_type<_Rp (_Cp::*)()>
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: public unary_function<_Cp*, _Rp>
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{
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};
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template <class _Rp, class _Cp>
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struct __weak_result_type<_Rp (_Cp::*)() const>
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: public unary_function<const _Cp*, _Rp>
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{
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};
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template <class _Rp, class _Cp>
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struct __weak_result_type<_Rp (_Cp::*)() volatile>
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: public unary_function<volatile _Cp*, _Rp>
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{
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};
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template <class _Rp, class _Cp>
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struct __weak_result_type<_Rp (_Cp::*)() const volatile>
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: public unary_function<const volatile _Cp*, _Rp>
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{
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};
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// 2 argument case
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template <class _Rp, class _A1, class _A2>
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struct __weak_result_type<_Rp (_A1, _A2)>
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: public binary_function<_A1, _A2, _Rp>
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{
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};
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template <class _Rp, class _A1, class _A2>
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struct __weak_result_type<_Rp (*)(_A1, _A2)>
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: public binary_function<_A1, _A2, _Rp>
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{
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};
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template <class _Rp, class _A1, class _A2>
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struct __weak_result_type<_Rp (&)(_A1, _A2)>
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: public binary_function<_A1, _A2, _Rp>
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{
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};
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template <class _Rp, class _Cp, class _A1>
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struct __weak_result_type<_Rp (_Cp::*)(_A1)>
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: public binary_function<_Cp*, _A1, _Rp>
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{
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};
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template <class _Rp, class _Cp, class _A1>
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struct __weak_result_type<_Rp (_Cp::*)(_A1) const>
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: public binary_function<const _Cp*, _A1, _Rp>
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{
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};
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template <class _Rp, class _Cp, class _A1>
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struct __weak_result_type<_Rp (_Cp::*)(_A1) volatile>
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: public binary_function<volatile _Cp*, _A1, _Rp>
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{
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};
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template <class _Rp, class _Cp, class _A1>
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struct __weak_result_type<_Rp (_Cp::*)(_A1) const volatile>
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: public binary_function<const volatile _Cp*, _A1, _Rp>
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{
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};
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// 3 or more arguments
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template <class _Rp, class _A1, class _A2, class _A3>
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struct __weak_result_type<_Rp (_A1, _A2, _A3)>
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{
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typedef _Rp result_type;
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};
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template <class _Rp, class _A1, class _A2, class _A3>
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struct __weak_result_type<_Rp (&)(_A1, _A2, _A3)>
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{
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typedef _Rp result_type;
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};
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template <class _Rp, class _A1, class _A2, class _A3>
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struct __weak_result_type<_Rp (*)(_A1, _A2, _A3)>
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{
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typedef _Rp result_type;
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};
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template <class _Rp, class _Cp, class _A1, class _A2>
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struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2)>
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{
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typedef _Rp result_type;
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};
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template <class _Rp, class _Cp, class _A1, class _A2>
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struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2) const>
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{
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typedef _Rp result_type;
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};
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template <class _Rp, class _Cp, class _A1, class _A2>
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struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2) volatile>
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{
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typedef _Rp result_type;
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};
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// __invoke
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// __ref_return0
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//
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// template <class _Tp, bool _HasResultType>
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// struct ________ref_return0 // _HasResultType is true
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// {
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// typedef typename _Tp::result_type type;
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// };
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//
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// template <class _Tp>
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// struct ________ref_return0<_Tp, false>
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// {
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// typedef void type;
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// };
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//
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// template <class _Tp, bool _IsClass>
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// struct ____ref_return0 // _IsClass is true
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// : public ________ref_return0<_Tp, __has_result_type<typename remove_cv<_Tp>::type>::value>
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// {
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// };
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//
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// template <class _Tp, bool _HasResultType>
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// struct ______ref_return0 // _HasResultType is true
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// {
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// typedef typename __callable_type<_Tp>::result_type type;
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// };
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//
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// template <class _Tp>
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// struct ______ref_return0<_Tp, false> // pointer to member data
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// {
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// typedef void type;
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// };
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//
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// template <class _Tp>
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// struct ____ref_return0<_Tp, false>
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// : public ______ref_return0<typename remove_cv<_Tp>::type,
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// __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value>
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// {
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// };
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//
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// template <class _Tp>
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// struct __ref_return0
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// : public ____ref_return0<typename remove_reference<_Tp>::type,
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// is_class<typename remove_reference<_Tp>::type>::value>
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// {
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// };
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//
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// __ref_return1
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//
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// template <class _Tp, bool _IsClass, class _A0>
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// struct ____ref_return1 // _IsClass is true
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// {
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// typedef typename result_of<_Tp(_A0)>::type type;
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// };
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//
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// template <class _Tp, bool _HasResultType, class _A0>
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// struct ______ref_return1 // _HasResultType is true
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// {
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// typedef typename __callable_type<_Tp>::result_type type;
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// };
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//
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// template <class _Tp, class _A0, bool>
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// struct __ref_return1_member_data1;
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//
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// template <class _Rp, class _Cp, class _A0>
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// struct __ref_return1_member_data1<_Rp _Cp::*, _A0, true>
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// {
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// typedef typename __apply_cv<_A0, _Rp>::type& type;
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// };
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//
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// template <class _Rp, class _Cp, class _A0>
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// struct __ref_return1_member_data1<_Rp _Cp::*, _A0, false>
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// {
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// static _A0 __a;
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// typedef typename __apply_cv<decltype(*__a), _Rp>::type& type;
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// };
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//
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// template <class _Tp, class _A0>
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// struct __ref_return1_member_data;
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//
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// template <class _Rp, class _Cp, class _A0>
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// struct __ref_return1_member_data<_Rp _Cp::*, _A0>
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// : public __ref_return1_member_data1<_Rp _Cp::*, _A0,
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// is_same<typename remove_cv<_Cp>::type,
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// typename remove_cv<typename remove_reference<_A0>::type>::type>::value>
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// {
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// };
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//
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// template <class _Tp, class _A0>
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// struct ______ref_return1<_Tp, false, _A0> // pointer to member data
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// : public __ref_return1_member_data<typename remove_cv<_Tp>::type, _A0>
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// {
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// };
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//
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// template <class _Tp, class _A0>
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// struct ____ref_return1<_Tp, false, _A0>
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// : public ______ref_return1<typename remove_cv<_Tp>::type,
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// __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value, _A0>
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// {
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// };
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//
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// template <class _Tp, class _A0>
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// struct __ref_return1
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// : public ____ref_return1<typename remove_reference<_Tp>::type,
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// is_class<typename remove_reference<_Tp>::type>::value, _A0>
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// {
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// };
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//
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// __ref_return2
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//
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// template <class _Tp, bool _IsClass, class _A0, class _A1>
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// struct ____ref_return2 // _IsClass is true
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// {
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// typedef typename result_of<_Tp(_A0, _A1)>::type type;
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// };
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//
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// template <class _Tp, bool _HasResultType, class _A0, class _A1>
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// struct ______ref_return2 // _HasResultType is true
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// {
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// typedef typename __callable_type<_Tp>::result_type type;
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// };
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//
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// template <class _Tp>
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// struct ______ref_return2<_Tp, false, class _A0, class _A1> // pointer to member data
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// {
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// static_assert(sizeof(_Tp) == 0, "An attempt has been made to `call` a pointer"
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// " to member data with too many arguments.");
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// };
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//
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// template <class _Tp, class _A0, class _A1>
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// struct ____ref_return2<_Tp, false, _A0, _A1>
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// : public ______ref_return2<typename remove_cv<_Tp>::type,
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// __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value, _A0, _A1>
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// {
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// };
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//
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// template <class _Tp, class _A0, class _A1>
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// struct __ref_return2
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// : public ____ref_return2<typename remove_reference<_Tp>::type,
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// is_class<typename remove_reference<_Tp>::type>::value, _A0, _A1>
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// {
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// };
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//
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// __ref_return3
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//
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// template <class _Tp, bool _IsClass, class _A0, class _A1, class _A2>
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// struct ____ref_return3 // _IsClass is true
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// {
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// typedef typename result_of<_Tp(_A0, _A1, _A2)>::type type;
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// };
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//
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// template <class _Tp, bool _HasResultType, class _A0, class _A1, class _A2>
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// struct ______ref_return3 // _HasResultType is true
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// {
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// typedef typename __callable_type<_Tp>::result_type type;
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// };
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//
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// template <class _Tp>
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// struct ______ref_return3<_Tp, false, class _A0, class _A1, class _A2> // pointer to member data
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// {
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// static_assert(sizeof(_Tp) == 0, "An attempt has been made to `call` a pointer"
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// " to member data with too many arguments.");
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// };
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//
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// template <class _Tp, class _A0, class _A1, class _A2>
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// struct ____ref_return3<_Tp, false, _A0, _A1, _A2>
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// : public ______ref_return3<typename remove_cv<_Tp>::type,
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// __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value, _A0, _A1, _A2>
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// {
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// };
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//
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// template <class _Tp, class _A0, class _A1, class _A2>
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// struct __ref_return3
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// : public ____ref_return3<typename remove_reference<_Tp>::type,
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// is_class<typename remove_reference<_Tp>::type>::value, _A0, _A1, _A2>
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// {
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// };
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// first bullet
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template <class _Rp, class _Tp, class _T1>
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inline _LIBCPP_INLINE_VISIBILITY
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typename enable_if
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<
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is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
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_Rp
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>::type
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__invoke(_Rp (_Tp::*__f)(), _T1& __t1)
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{
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return (__t1.*__f)();
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}
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|
template <class _Rp, class _Tp, class _T1, class _A0>
|
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inline _LIBCPP_INLINE_VISIBILITY
|
|
typename enable_if
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|
<
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is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
|
|
_Rp
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|
>::type
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__invoke(_Rp (_Tp::*__f)(_A0), _T1& __t1, _A0& __a0)
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|
{
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return (__t1.*__f)(__a0);
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}
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|
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|
template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename enable_if
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|
<
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|
is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
|
|
_Rp
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|
>::type
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__invoke(_Rp (_Tp::*__f)(_A0, _A1), _T1& __t1, _A0& __a0, _A1& __a1)
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|
{
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return (__t1.*__f)(__a0, __a1);
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}
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|
|
|
template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename enable_if
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|
<
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is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
|
|
_Rp
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>::type
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__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2), _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2)
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{
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return (__t1.*__f)(__a0, __a1, __a2);
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}
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|
|
template <class _Rp, class _Tp, class _T1>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename enable_if
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|
<
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is_base_of<_Tp, typename remove_reference<_T1>::type>::value,
|
|
_Rp
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|
>::type
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__invoke(_Rp (_Tp::*__f)() const, _T1& __t1)
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|
{
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|
return (__t1.*__f)();
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}
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|
|
|
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
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|
>::type
|
|
__invoke(_Rp (_Tp::*__f)(_A0) const, _T1& __t1, _A0& __a0)
|
|
{
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|
return (__t1.*__f)(__a0);
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|
}
|
|
|
|
template <class _Rp, class _Tp, class _T1, class _A0, class _A1>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename enable_if
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|
<
|
|
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 _Ret>
|
|
struct __invoke_void_return_wrapper
|
|
{
|
|
template <class _Fn>
|
|
static _Ret __call(_Fn __f)
|
|
{
|
|
return __invoke(__f);
|
|
}
|
|
|
|
template <class _Fn, class _A0>
|
|
static _Ret __call(_Fn __f, _A0& __a0)
|
|
{
|
|
return __invoke(__f, __a0);
|
|
}
|
|
|
|
template <class _Fn, class _A0, class _A1>
|
|
static _Ret __call(_Fn __f, _A0& __a0, _A1& __a1)
|
|
{
|
|
return __invoke(__f, __a0, __a1);
|
|
}
|
|
|
|
template <class _Fn, class _A0, class _A1, class _A2>
|
|
static _Ret __call(_Fn __f, _A0& __a0, _A1& __a1, _A2& __a2)
|
|
{
|
|
return __invoke(__f, __a0, __a1, __a2);
|
|
}
|
|
};
|
|
|
|
|
|
template <>
|
|
struct __invoke_void_return_wrapper<void>
|
|
{
|
|
template <class _Fn>
|
|
static void __call(_Fn __f)
|
|
{
|
|
__invoke(__f);
|
|
}
|
|
|
|
template <class _Fn, class _A0>
|
|
static void __call(_Fn __f, _A0& __a0)
|
|
{
|
|
__invoke(__f, __a0);
|
|
}
|
|
|
|
template <class _Fn, class _A0, class _A1>
|
|
static void __call(_Fn __f, _A0& __a0, _A1& __a1)
|
|
{
|
|
__invoke(__f, __a0, __a1);
|
|
}
|
|
|
|
template <class _Fn, class _A0, class _A1, class _A2>
|
|
static void __call(_Fn __f, _A0& __a0, _A1& __a1, _A2& __a2)
|
|
{
|
|
__invoke(__f, __a0, __a1, __a2);
|
|
}
|
|
};
|
|
|
|
template <class _Tp>
|
|
class _LIBCPP_TYPE_VIS_ONLY 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<type&, _A0>(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<type&, _A0, _A1>(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<type&, _A0, _A1, _A2>(get(), __a0, __a1, __a2);
|
|
}
|
|
};
|
|
|
|
template <class _Tp> struct __is_reference_wrapper_impl : public false_type {};
|
|
template <class _Tp> struct __is_reference_wrapper_impl<reference_wrapper<_Tp> > : public true_type {};
|
|
template <class _Tp> struct __is_reference_wrapper
|
|
: public __is_reference_wrapper_impl<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
|