status_cxx2014.xml: Update Fundamentals TS status.
* doc/xml/manual/status_cxx2014.xml: Update Fundamentals TS status. * include/Makefile.am: Add new header. * include/Makefile.in: Regenerate. * include/experimental/any: New. * include/ext/aligned_buffer.h (__aligned_buffer(nullptr_t)): New constructor. * testsuite/experimental/any/assign/1.cc: New. * testsuite/experimental/any/assign/2.cc: New. * testsuite/experimental/any/cons/1.cc: New. * testsuite/experimental/any/cons/2.cc: New. * testsuite/experimental/any/cons/3.cc: New. * testsuite/experimental/any/misc/any_cast.cc: New. * testsuite/experimental/any/misc/any_cast_neg.cc: New. * testsuite/experimental/any/misc/any_cast_no_rtti.cc: New. * testsuite/experimental/any/misc/swap.cc: New. * testsuite/experimental/any/modifiers/1.cc: New. * testsuite/experimental/any/observers/type.cc: New. From-SVN: r211669
This commit is contained in:
Jonathan Wakely
Jonathan Wakely
parent
ab938b4135
commit
e8043fa674
@ -1,3 +1,23 @@
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2014-06-14 Jonathan Wakely <jwakely@redhat.com>
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* doc/xml/manual/status_cxx2014.xml: Update Fundamentals TS status.
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* include/Makefile.am: Add new header.
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* include/Makefile.in: Regenerate.
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* include/experimental/any: New.
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* include/ext/aligned_buffer.h (__aligned_buffer(nullptr_t)): New
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constructor.
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* testsuite/experimental/any/assign/1.cc: New.
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* testsuite/experimental/any/assign/2.cc: New.
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* testsuite/experimental/any/cons/1.cc: New.
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* testsuite/experimental/any/cons/2.cc: New.
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* testsuite/experimental/any/cons/3.cc: New.
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* testsuite/experimental/any/misc/any_cast.cc: New.
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* testsuite/experimental/any/misc/any_cast_neg.cc: New.
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* testsuite/experimental/any/misc/any_cast_no_rtti.cc: New.
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* testsuite/experimental/any/misc/swap.cc: New.
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* testsuite/experimental/any/modifiers/1.cc: New.
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* testsuite/experimental/any/observers/type.cc: New.
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2014-06-11 Maciej W. Rozycki <macro@codesourcery.com>
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* testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/4402.cc
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@ -306,14 +306,13 @@ not in any particular release.
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</row>
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<row>
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<?dbhtml bgcolor="#C8B0B0" ?>
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<entry>
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<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2013/n3804.html">
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N3804
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</link>
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</entry>
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<entry>Any library proposal</entry>
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<entry>N</entry>
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<entry>Y</entry>
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<entry>Library Fundamentals TS</entry>
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</row>
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@ -638,6 +638,7 @@ decimal_headers = \
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experimental_srcdir = ${glibcxx_srcdir}/include/experimental
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experimental_builddir = ./experimental
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experimental_headers = \
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${experimental_srcdir}/any \
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${experimental_srcdir}/optional \
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${experimental_srcdir}/string_view \
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${experimental_srcdir}/string_view.tcc
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@ -904,6 +904,7 @@ decimal_headers = \
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experimental_srcdir = ${glibcxx_srcdir}/include/experimental
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experimental_builddir = ./experimental
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experimental_headers = \
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${experimental_srcdir}/any \
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${experimental_srcdir}/optional \
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${experimental_srcdir}/string_view \
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${experimental_srcdir}/string_view.tcc
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626
libstdc++-v3/include/experimental/any
Normal file
626
libstdc++-v3/include/experimental/any
Normal file
@ -0,0 +1,626 @@
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// <experimental/any> -*- C++ -*-
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// Copyright (C) 2014 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file experimental/any
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* This is a TS C++ Library header.
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*/
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#ifndef _GLIBCXX_EXPERIMENTAL_ANY
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#define _GLIBCXX_EXPERIMENTAL_ANY 1
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#pragma GCC system_header
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#if __cplusplus <= 201103L
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# include <bits/c++14_warning.h>
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#else
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#include <typeinfo>
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#include <memory>
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#include <utility>
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#include <type_traits>
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#include <bits/alloc_traits.h>
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#include <bits/uses_allocator.h>
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#include <bits/functexcept.h>
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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namespace experimental
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{
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inline namespace any_v1
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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/**
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* @defgroup any Type-safe container of any type
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* @ingroup experimental
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*
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* A type-safe container for single values of value types, as
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* described in n3804 "Any Library Proposal (Revision 3)".
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*
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* @{
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*/
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/**
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* @brief Exception class thrown by a failed @c any_cast
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* @ingroup exceptions
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*/
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class bad_any_cast : public bad_cast
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{
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public:
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virtual const char* what() const noexcept { return "bad_any_cast"; }
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};
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[[gnu::noreturn]] inline void __throw_bad_any_cast()
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{
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#ifdef __EXCEPTIONS
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throw bad_any_cast{};
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#else
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__builtin_abort();
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#endif
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}
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/**
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* @brief A type-safe container of any type.
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*
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* An @c any object's state is either empty or it stores a contained object
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* of CopyConstructible type.
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*/
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class any
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{
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// Holds either pointer to a heap object or the contained object itself.
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union _Storage
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{
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void* _M_ptr;
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std::aligned_storage<sizeof(_M_ptr), sizeof(_M_ptr)>::type _M_buffer;
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};
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template<typename _Tp, typename _Safe = is_nothrow_copy_constructible<_Tp>,
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bool _Fits = (sizeof(_Tp) <= sizeof(_Storage))>
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using _Internal = std::integral_constant<bool, _Safe::value && _Fits>;
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template<typename _Tp>
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struct _Manager_internal; // uses small-object optimization
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template<typename _Tp>
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struct _Manager_external; // creates contained object on the heap
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template<typename _Tp>
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using _Manager = conditional_t<_Internal<_Tp>::value,
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_Manager_internal<_Tp>,
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_Manager_external<_Tp>>;
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#ifdef __GXX_RTTI
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// When RTTI is disabled __any_caster assumes the manager is either
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// _Manager_internal or _Manager_external, so this type must not be used.
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template<typename _Tp, typename _Alloc>
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struct _Manager_alloc; // creates contained object using an allocator
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template<typename _Tp, typename _Alloc, typename _TpAlloc
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= typename allocator_traits<_Alloc>::template rebind_alloc<_Tp>>
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using _ManagerAlloc = conditional_t<_Internal<_Tp>::value,
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_Manager_internal<_Tp>,
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_Manager_alloc<_Tp, _TpAlloc>>;
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#endif
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template<typename _Tp, typename _Decayed = decay_t<_Tp>>
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using _Decay = enable_if_t<!is_same<_Decayed, any>::value, _Decayed>;
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public:
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// construct/destruct
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/// Default constructor, creates an empty object.
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any() noexcept : _M_manager(nullptr) { }
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/// Copy constructor, copies the state of @p __other
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any(const any& __other) : _M_manager(__other._M_manager)
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{
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if (!__other.empty())
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{
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_Arg __arg;
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__arg._M_any = this;
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_M_manager(_Op_clone, &__other, &__arg);
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}
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}
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/**
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* @brief Move constructor, transfer the state from @p __other
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*
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* @post @c __other.empty() (not guaranteed for other implementations)
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*/
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any(any&& __other) noexcept
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: _M_manager(__other._M_manager),
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_M_storage(__other._M_storage)
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{ __other._M_manager = nullptr; }
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/// Construct with a copy of @p __value as the contained object.
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template <typename _ValueType, typename _Tp = _Decay<_ValueType>,
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typename _Mgr = _Manager<_Tp>>
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any(_ValueType&& __value)
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: _M_manager(&_Mgr::_S_manage),
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_M_storage(_Mgr::_S_create(std::forward<_ValueType>(__value)))
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{
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static_assert(is_copy_constructible<_Tp>::value,
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"The contained object must be CopyConstructible");
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}
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/// Allocator-extended default constructor (the allocator is ignored).
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template <typename _Allocator>
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any(allocator_arg_t, const _Allocator&) noexcept : any() { }
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#ifdef __GXX_RTTI
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/// Construct with a copy of @p __value as the contained object.
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template <typename _Allocator, typename _ValueType,
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typename _Tp = _Decay<_ValueType>,
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typename _Mgr = _ManagerAlloc<_Tp, _Allocator>>
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any(allocator_arg_t, const _Allocator& __a, _ValueType&& __value)
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: _M_manager(&_Mgr::_S_manage),
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_M_storage(_Mgr::_S_alloc(__a, std::forward<_ValueType>(__value)))
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{
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static_assert(is_copy_constructible<_Tp>::value,
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"The contained object must be CopyConstructible");
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}
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#endif
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/* TODO: implement this somehow
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/// Allocator-extended copy constructor.
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template <class _Allocator>
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any(allocator_arg_t, const _Allocator& __a, const any& __other);
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*/
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/// Allocator-extended move constructor (the allocator is ignored).
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template <typename _Allocator>
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any(allocator_arg_t, const _Allocator&, any&& __other) noexcept
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: any(std::move(__other)) { }
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/// Destructor, calls @c clear()
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~any() { clear(); }
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// assignments
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/// Copy the state of
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any& operator=(const any& __rhs)
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{
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any(__rhs).swap(*this);
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return *this;
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}
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/**
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* @brief Move assignment operator
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*
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* @post @c __rhs.empty() (not guaranteed for other implementations)
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*/
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any& operator=(any&& __rhs) noexcept
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{
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any(std::move(__rhs)).swap(*this);
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return *this;
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}
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/// Store a copy of @p __rhs as the contained object.
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template<typename _ValueType>
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any& operator=(_ValueType&& __rhs)
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{
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any(std::forward<_ValueType>(__rhs)).swap(*this);
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return *this;
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}
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// modifiers
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/// If not empty, destroy the contained object.
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void clear() noexcept
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{
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if (!empty())
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{
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_M_manager(_Op_destroy, this, nullptr);
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_M_manager = nullptr;
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}
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}
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/// Exchange state with another object.
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void swap(any& __rhs) noexcept
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{
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std::swap(_M_manager, __rhs._M_manager);
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std::swap(_M_storage, __rhs._M_storage);
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}
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// observers
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/// Reports whether there is a contained object or not.
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bool empty() const noexcept { return _M_manager == nullptr; }
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#ifdef __GXX_RTTI
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/// The @c typeid of the contained object, or @c typeid(void) if empty.
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const type_info& type() const noexcept
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{
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if (empty())
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return typeid(void);
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_Arg __arg;
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_M_manager(_Op_get_type_info, this, &__arg);
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return *__arg._M_typeinfo;
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}
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#endif
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template<typename _Tp>
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static constexpr bool __is_valid_cast()
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{ return __or_<is_reference<_Tp>, is_copy_constructible<_Tp>>::value; }
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private:
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enum _Op { _Op_access, _Op_get_type_info, _Op_clone, _Op_destroy };
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union _Arg
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{
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void* _M_obj;
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const std::type_info* _M_typeinfo;
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any* _M_any;
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};
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void (*_M_manager)(_Op, const any*, _Arg*);
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_Storage _M_storage;
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template<typename _Tp>
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friend void* __any_caster(const any* __any)
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{
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#ifdef __GXX_RTTI
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if (__any->type() != typeid(_Tp))
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return nullptr;
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#else
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if (__any->_M_manager != &_Manager<decay_t<_Tp>>::_S_manage)
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return nullptr;
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#endif
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_Arg __arg;
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__any->_M_manager(_Op_access, __any, &__arg);
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return __arg._M_obj;
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}
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|
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// Manage in-place contained object.
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template<typename _Tp>
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struct _Manager_internal
|
||||
{
|
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static void
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_S_manage(_Op __which, const any* __anyp, _Arg* __arg);
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|
||||
template<typename _Up>
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static _Storage
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||||
_S_create(_Up&& __value)
|
||||
{
|
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_Storage __storage;
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void* __addr = &__storage._M_buffer;
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||||
::new (__addr) _Tp(std::forward<_Up>(__value));
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return __storage;
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||||
}
|
||||
|
||||
template<typename _Alloc, typename _Up>
|
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static _Storage
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||||
_S_alloc(const _Alloc&, _Up&& __value)
|
||||
{
|
||||
return _S_create(std::forward<_Up>(__value));
|
||||
}
|
||||
};
|
||||
|
||||
// Manage external contained object.
|
||||
template<typename _Tp>
|
||||
struct _Manager_external
|
||||
{
|
||||
static void
|
||||
_S_manage(_Op __which, const any* __anyp, _Arg* __arg);
|
||||
|
||||
template<typename _Up>
|
||||
static _Storage
|
||||
_S_create(_Up&& __value)
|
||||
{
|
||||
_Storage __storage;
|
||||
__storage._M_ptr = new _Tp(std::forward<_Up>(__value));
|
||||
return __storage;
|
||||
}
|
||||
};
|
||||
|
||||
#ifdef __GXX_RTTI
|
||||
// Manage external contained object using an allocator
|
||||
template<typename _Tp, typename _Alloc>
|
||||
struct _Manager_alloc
|
||||
{
|
||||
static_assert(std::is_same<_Tp, typename _Alloc::value_type>::value,
|
||||
"Allocator's value_type is correct");
|
||||
|
||||
// Type that holds contained object and allocator
|
||||
struct _Data;
|
||||
|
||||
using _Traits = typename std::allocator_traits<_Alloc>::template
|
||||
rebind_traits<_Data>;
|
||||
|
||||
static void
|
||||
_S_manage(_Op __which, const any* __anyp, _Arg* __arg);
|
||||
|
||||
template<typename _Up>
|
||||
static _Storage
|
||||
_S_alloc(const _Alloc& __a, _Up&& __value);
|
||||
};
|
||||
#endif
|
||||
};
|
||||
|
||||
/// Exchange the states of two @c any objects.
|
||||
inline void swap(any& __x, any& __y) noexcept { __x.swap(__y); }
|
||||
|
||||
/**
|
||||
* @brief Access the contained object.
|
||||
*
|
||||
* @tparam _ValueType A const-reference or CopyConstructible type.
|
||||
* @param __any The object to access.
|
||||
* @return The contained object.
|
||||
* @throw bad_any_cast If <code>
|
||||
* __any.type() != typeid(remove_reference_t<_ValueType>)
|
||||
* </code>
|
||||
*/
|
||||
template<typename _ValueType>
|
||||
inline _ValueType any_cast(const any& __any)
|
||||
{
|
||||
static_assert(any::__is_valid_cast<_ValueType>(),
|
||||
"Template argument must be a reference or CopyConstructible type");
|
||||
auto __p = any_cast<add_const_t<remove_reference_t<_ValueType>>>(&__any);
|
||||
if (__p)
|
||||
return *__p;
|
||||
__throw_bad_any_cast();
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Access the contained object.
|
||||
*
|
||||
* @tparam _ValueType A reference or CopyConstructible type.
|
||||
* @param __any The object to access.
|
||||
* @return The contained object.
|
||||
* @throw bad_any_cast If <code>
|
||||
* __any.type() != typeid(remove_reference_t<_ValueType>)
|
||||
* </code>
|
||||
*/
|
||||
template<typename _ValueType>
|
||||
inline _ValueType any_cast(any& __any)
|
||||
{
|
||||
static_assert(any::__is_valid_cast<_ValueType>(),
|
||||
"Template argument must be a reference or CopyConstructible type");
|
||||
auto __p = any_cast<remove_reference_t<_ValueType>>(&__any);
|
||||
if (__p)
|
||||
return *__p;
|
||||
__throw_bad_any_cast();
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Access the contained object.
|
||||
*
|
||||
* @tparam _ValueType A reference or CopyConstructible type.
|
||||
* @param __any The object to access.
|
||||
* @return The contained object.
|
||||
* @throw bad_any_cast If <code>
|
||||
* __any.type() != typeid(remove_reference_t<_ValueType>)
|
||||
* </code>
|
||||
*/
|
||||
template<typename _ValueType>
|
||||
inline _ValueType any_cast(any&& __any)
|
||||
{
|
||||
static_assert(any::__is_valid_cast<_ValueType>(),
|
||||
"Template argument must be a reference or CopyConstructible type");
|
||||
auto __p = any_cast<remove_reference_t<_ValueType>>(&__any);
|
||||
if (__p)
|
||||
return *__p;
|
||||
__throw_bad_any_cast();
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Access the contained object.
|
||||
*
|
||||
* @tparam _ValueType The type of the contained object.
|
||||
* @param __any A pointer to the object to access.
|
||||
* @return The address of the contained object if <code>
|
||||
* __any != nullptr && __any.type() == typeid(_ValueType)
|
||||
* </code>, otherwise a null pointer.
|
||||
*/
|
||||
template<typename _ValueType>
|
||||
inline const _ValueType* any_cast(const any* __any) noexcept
|
||||
{
|
||||
if (__any)
|
||||
return static_cast<_ValueType*>(__any_caster<_ValueType>(__any));
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Access the contained object.
|
||||
*
|
||||
* @tparam _ValueType The type of the contained object.
|
||||
* @param __any A pointer to the object to access.
|
||||
* @return The address of the contained object if <code>
|
||||
* __any != nullptr && __any.type() == typeid(_ValueType)
|
||||
* </code>, otherwise a null pointer.
|
||||
*/
|
||||
template<typename _ValueType>
|
||||
inline _ValueType* any_cast(any* __any) noexcept
|
||||
{
|
||||
if (__any)
|
||||
return static_cast<_ValueType*>(__any_caster<_ValueType>(__any));
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
#ifdef __GXX_RTTI
|
||||
template<typename _Tp, typename _Alloc>
|
||||
struct any::_Manager_alloc<_Tp, _Alloc>::_Data
|
||||
{
|
||||
using _Traits = std::allocator_traits<_Alloc>;
|
||||
|
||||
std::tuple<_Alloc, __gnu_cxx::__aligned_buffer<_Tp>> _M_data;
|
||||
|
||||
_Alloc& _M_alloc() { return std::get<0>(_M_data); }
|
||||
const _Alloc& _M_alloc() const { return std::get<0>(_M_data); }
|
||||
|
||||
_Tp* _M_obj() { return std::get<1>(_M_data)._M_ptr(); }
|
||||
const _Tp* _M_obj() const { return std::get<1>(_M_data)._M_ptr(); }
|
||||
|
||||
template<typename _Up>
|
||||
_Data(const _Alloc& __a, _Up&& __val) : _M_data(__a, nullptr)
|
||||
{
|
||||
this->_M_construct(std::__use_alloc<_Tp>(_M_alloc()),
|
||||
std::forward<_Up>(__val));
|
||||
}
|
||||
|
||||
~_Data() { _Traits::destroy(_M_alloc(), _M_obj()); }
|
||||
|
||||
template<typename _Up>
|
||||
void
|
||||
_M_construct(__uses_alloc0, _Up&& __val)
|
||||
{
|
||||
_Traits::construct(_M_alloc(), _M_obj(),
|
||||
std::forward<_Up>(__val));
|
||||
}
|
||||
|
||||
template<typename _Up>
|
||||
void
|
||||
_M_construct(__uses_alloc1<_Alloc> __a, _Up&& __val)
|
||||
{
|
||||
_Traits::construct(__a._M_a, _M_obj(),
|
||||
std::allocator_arg, __a._M_a,
|
||||
std::forward<_Up>(__val));
|
||||
}
|
||||
|
||||
template<typename _Up>
|
||||
void
|
||||
_M_construct(__uses_alloc2<_Alloc> __a, _Up&& __val)
|
||||
{
|
||||
_Traits::construct(__a._M_a, _M_obj(),
|
||||
std::forward<_Up>(__val), __a._M_a);
|
||||
}
|
||||
};
|
||||
|
||||
template<typename _Tp, typename _Alloc>
|
||||
template<typename _Up>
|
||||
any::_Storage
|
||||
any::_Manager_alloc<_Tp, _Alloc>::
|
||||
_S_alloc(const _Alloc& __a, _Up&& __value)
|
||||
{
|
||||
typename _Traits::allocator_type __a2(__a);
|
||||
auto __ptr = _Traits::allocate(__a2, 1);
|
||||
__try
|
||||
{
|
||||
any::_Storage __storage;
|
||||
__storage._M_ptr = std::__addressof(*__ptr);
|
||||
::new(__storage._M_ptr) _Data{__a, std::forward<_Up>(__value)};
|
||||
return __storage;
|
||||
}
|
||||
__catch(...)
|
||||
{
|
||||
_Traits::deallocate(__a2, __ptr, 1);
|
||||
__throw_exception_again;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
template<typename _Tp>
|
||||
void
|
||||
any::_Manager_internal<_Tp>::
|
||||
_S_manage(_Op __which, const any* __any, _Arg* __arg)
|
||||
{
|
||||
// The contained object is in _M_storage._M_buffer
|
||||
auto __ptr = reinterpret_cast<const _Tp*>(&__any->_M_storage._M_buffer);
|
||||
switch (__which)
|
||||
{
|
||||
case _Op_access:
|
||||
__arg->_M_obj = const_cast<_Tp*>(__ptr);
|
||||
break;
|
||||
case _Op_get_type_info:
|
||||
#ifdef __GXX_RTTI
|
||||
__arg->_M_typeinfo = &typeid(_Tp);
|
||||
#endif
|
||||
break;
|
||||
case _Op_clone:
|
||||
::new(&__arg->_M_any->_M_storage._M_buffer) _Tp(*__ptr);
|
||||
break;
|
||||
case _Op_destroy:
|
||||
__ptr->~_Tp();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
template<typename _Tp>
|
||||
void
|
||||
any::_Manager_external<_Tp>::
|
||||
_S_manage(_Op __which, const any* __any, _Arg* __arg)
|
||||
{
|
||||
// The contained object is *_M_storage._M_ptr
|
||||
auto __ptr = static_cast<const _Tp*>(__any->_M_storage._M_ptr);
|
||||
switch (__which)
|
||||
{
|
||||
case _Op_access:
|
||||
__arg->_M_obj = const_cast<_Tp*>(__ptr);
|
||||
break;
|
||||
case _Op_get_type_info:
|
||||
#ifdef __GXX_RTTI
|
||||
__arg->_M_typeinfo = &typeid(_Tp);
|
||||
#endif
|
||||
break;
|
||||
case _Op_clone:
|
||||
__arg->_M_any->_M_storage._M_ptr = new _Tp(*__ptr);
|
||||
break;
|
||||
case _Op_destroy:
|
||||
delete __ptr;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef __GXX_RTTI
|
||||
template<typename _Tp, typename _Alloc>
|
||||
void
|
||||
any::_Manager_alloc<_Tp, _Alloc>::
|
||||
_S_manage(_Op __which, const any* __any, _Arg* __arg)
|
||||
{
|
||||
// The contained object is at _M_storage._M_ptr->_M_obj()
|
||||
auto __ptr = static_cast<const _Data*>(__any->_M_storage._M_ptr);
|
||||
switch (__which)
|
||||
{
|
||||
case _Op_access:
|
||||
__arg->_M_obj = const_cast<_Tp*>(__ptr->_M_obj());
|
||||
break;
|
||||
case _Op_get_type_info:
|
||||
__arg->_M_typeinfo = &typeid(_Tp);
|
||||
break;
|
||||
case _Op_clone:
|
||||
__arg->_M_any->_M_storage
|
||||
= _S_alloc(__ptr->_M_alloc(), *__ptr->_M_obj());
|
||||
break;
|
||||
case _Op_destroy:
|
||||
{
|
||||
using _PtrTr = pointer_traits<typename _Traits::pointer>;
|
||||
typename _Traits::allocator_type __a(__ptr->_M_alloc());
|
||||
auto __alloc_ptr = _PtrTr::pointer_to(*const_cast<_Data*>(__ptr));
|
||||
__ptr->~_Data();
|
||||
_Traits::deallocate(__a, __alloc_ptr, 1);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
// @} group any
|
||||
_GLIBCXX_END_NAMESPACE_VERSION
|
||||
} // namespace any_v1
|
||||
} // namespace experimental
|
||||
} // namespace std
|
||||
|
||||
#endif // C++14
|
||||
|
||||
#endif // _GLIBCXX_EXPERIMENTAL_ANY
|
||||
@ -47,6 +47,11 @@ namespace __gnu_cxx
|
||||
std::aligned_storage<sizeof(_Tp), std::alignment_of<_Tp>::value>::type
|
||||
_M_storage;
|
||||
|
||||
__aligned_buffer() = default;
|
||||
|
||||
// Can be used to avoid value-initialization
|
||||
__aligned_buffer(std::nullptr_t) { }
|
||||
|
||||
void*
|
||||
_M_addr() noexcept
|
||||
{
|
||||
|
||||
60
libstdc++-v3/testsuite/experimental/any/assign/1.cc
Normal file
60
libstdc++-v3/testsuite/experimental/any/assign/1.cc
Normal file
@ -0,0 +1,60 @@
|
||||
// { dg-options "-std=gnu++14" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/any>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
using std::experimental::any;
|
||||
|
||||
void test01()
|
||||
{
|
||||
any x;
|
||||
any y;
|
||||
y = x;
|
||||
VERIFY( x.empty() );
|
||||
VERIFY( y.empty() );
|
||||
|
||||
y = std::move(x);
|
||||
VERIFY( x.empty() );
|
||||
VERIFY( y.empty() );
|
||||
}
|
||||
|
||||
void test02()
|
||||
{
|
||||
any x(1);
|
||||
any y;
|
||||
y = x;
|
||||
VERIFY( !x.empty() );
|
||||
VERIFY( !y.empty() );
|
||||
|
||||
x = std::move(y);
|
||||
VERIFY( !x.empty() );
|
||||
VERIFY( y.empty() );
|
||||
|
||||
x = y;
|
||||
VERIFY( x.empty() );
|
||||
VERIFY( y.empty() );
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
test02();
|
||||
}
|
||||
51
libstdc++-v3/testsuite/experimental/any/assign/2.cc
Normal file
51
libstdc++-v3/testsuite/experimental/any/assign/2.cc
Normal file
@ -0,0 +1,51 @@
|
||||
// { dg-options "-std=gnu++14" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/any>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
|
||||
struct X
|
||||
{
|
||||
bool moved = false;
|
||||
bool moved_from = false;
|
||||
X() = default;
|
||||
X(const X&) = default;
|
||||
X(X&& x) : moved(true) { x.moved_from = true; }
|
||||
};
|
||||
|
||||
void test01()
|
||||
{
|
||||
X x;
|
||||
any a1;
|
||||
a1 = x;
|
||||
VERIFY(x.moved_from == false);
|
||||
any a2;
|
||||
a2 = std::move(x);
|
||||
VERIFY(x.moved_from == true);
|
||||
VERIFY(any_cast<X&>(a2).moved == true );
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
}
|
||||
58
libstdc++-v3/testsuite/experimental/any/cons/1.cc
Normal file
58
libstdc++-v3/testsuite/experimental/any/cons/1.cc
Normal file
@ -0,0 +1,58 @@
|
||||
// { dg-options "-std=gnu++14" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/any>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
using std::experimental::any;
|
||||
|
||||
void test01()
|
||||
{
|
||||
any x;
|
||||
VERIFY( x.empty() );
|
||||
|
||||
any y(x);
|
||||
VERIFY( x.empty() );
|
||||
VERIFY( y.empty() );
|
||||
|
||||
any z(std::move(y));
|
||||
VERIFY( y.empty() );
|
||||
VERIFY( z.empty() );
|
||||
}
|
||||
|
||||
void test02()
|
||||
{
|
||||
any x(1);
|
||||
VERIFY( !x.empty() );
|
||||
|
||||
any y(x);
|
||||
VERIFY( !x.empty() );
|
||||
VERIFY( !y.empty() );
|
||||
|
||||
any z(std::move(y));
|
||||
VERIFY( y.empty() );
|
||||
VERIFY( !z.empty() );
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
test02();
|
||||
}
|
||||
49
libstdc++-v3/testsuite/experimental/any/cons/2.cc
Normal file
49
libstdc++-v3/testsuite/experimental/any/cons/2.cc
Normal file
@ -0,0 +1,49 @@
|
||||
// { dg-options "-std=gnu++14" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/any>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
|
||||
struct X
|
||||
{
|
||||
bool moved = false;
|
||||
bool moved_from = false;
|
||||
X() = default;
|
||||
X(const X&) = default;
|
||||
X(X&& x) : moved(true) { x.moved_from = true; }
|
||||
};
|
||||
|
||||
void test01()
|
||||
{
|
||||
X x;
|
||||
any a1(x);
|
||||
VERIFY(x.moved_from == false);
|
||||
any a2(std::move(x));
|
||||
VERIFY(x.moved_from == true);
|
||||
VERIFY(any_cast<X&>(a2).moved == true );
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
}
|
||||
83
libstdc++-v3/testsuite/experimental/any/cons/3.cc
Normal file
83
libstdc++-v3/testsuite/experimental/any/cons/3.cc
Normal file
@ -0,0 +1,83 @@
|
||||
// { dg-options "-std=gnu++14" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/any>
|
||||
#include <testsuite_allocator.h>
|
||||
|
||||
using std::experimental::any;
|
||||
using __gnu_test::CustomPointerAlloc;
|
||||
using __gnu_test::tracker_allocator;
|
||||
using __gnu_test::tracker_allocator_counter;
|
||||
|
||||
struct NotSmall { char c[64]; };
|
||||
|
||||
bool test [[gnu::unused]] = true;
|
||||
|
||||
void test01()
|
||||
{
|
||||
CustomPointerAlloc<int> alloc;
|
||||
|
||||
any x(std::allocator_arg, alloc, 1);
|
||||
VERIFY( !x.empty() );
|
||||
|
||||
any y(std::allocator_arg, alloc, std::move(x));
|
||||
VERIFY( x.empty() );
|
||||
VERIFY( !y.empty() );
|
||||
}
|
||||
|
||||
void test02()
|
||||
{
|
||||
tracker_allocator<int> alloc;
|
||||
|
||||
any x(std::allocator_arg, alloc, 1);
|
||||
auto allocated = tracker_allocator_counter::get_allocation_count();
|
||||
VERIFY( allocated == 0 ); // no allocation for small object
|
||||
|
||||
any y(std::allocator_arg, alloc, std::move(x));
|
||||
VERIFY( tracker_allocator_counter::get_allocation_count() == 0 );
|
||||
|
||||
y = {};
|
||||
VERIFY( tracker_allocator_counter::get_deallocation_count() == 0 );
|
||||
}
|
||||
|
||||
void test03()
|
||||
{
|
||||
tracker_allocator<int> alloc;
|
||||
|
||||
|
||||
any x(std::allocator_arg, alloc, NotSmall{});
|
||||
auto allocated = tracker_allocator_counter::get_allocation_count();
|
||||
__builtin_printf("ALLOCATED %lu\n", (unsigned long)allocated);
|
||||
VERIFY( allocated >= sizeof(NotSmall) );
|
||||
|
||||
any y(std::allocator_arg, alloc, std::move(x));
|
||||
VERIFY( tracker_allocator_counter::get_allocation_count() == allocated );
|
||||
|
||||
y = {};
|
||||
VERIFY( tracker_allocator_counter::get_deallocation_count() == allocated );
|
||||
}
|
||||
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
test02();
|
||||
test03();
|
||||
}
|
||||
108
libstdc++-v3/testsuite/experimental/any/misc/any_cast.cc
Normal file
108
libstdc++-v3/testsuite/experimental/any/misc/any_cast.cc
Normal file
@ -0,0 +1,108 @@
|
||||
// { dg-options "-std=gnu++14" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/any>
|
||||
#include <string>
|
||||
#include <cstring>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
|
||||
void test01()
|
||||
{
|
||||
using std::string;
|
||||
using std::strcmp;
|
||||
|
||||
// taken from example in N3804 proposal
|
||||
|
||||
any x(5); // x holds int
|
||||
VERIFY(any_cast<int>(x) == 5); // cast to value
|
||||
any_cast<int&>(x) = 10; // cast to reference
|
||||
VERIFY(any_cast<int>(x) == 10);
|
||||
|
||||
x = "Meow"; // x holds const char*
|
||||
VERIFY(strcmp(any_cast<const char*>(x), "Meow") == 0);
|
||||
any_cast<const char*&>(x) = "Harry";
|
||||
VERIFY(strcmp(any_cast<const char*>(x), "Harry") == 0);
|
||||
|
||||
x = string("Meow"); // x holds string
|
||||
string s, s2("Jane");
|
||||
s = move(any_cast<string&>(x)); // move from any
|
||||
VERIFY(s == "Meow");
|
||||
any_cast<string&>(x) = move(s2); // move to any
|
||||
VERIFY(any_cast<const string&>(x) == "Jane");
|
||||
|
||||
string cat("Meow");
|
||||
const any y(cat); // const y holds string
|
||||
VERIFY(any_cast<const string&>(y) == cat);
|
||||
}
|
||||
|
||||
void test02()
|
||||
{
|
||||
using std::experimental::bad_any_cast;
|
||||
any x(1);
|
||||
auto p = any_cast<double>(&x);
|
||||
VERIFY(p == nullptr);
|
||||
|
||||
x = 1.0;
|
||||
p = any_cast<double>(&x);
|
||||
VERIFY(p != nullptr);
|
||||
|
||||
x = any();
|
||||
p = any_cast<double>(&x);
|
||||
VERIFY(p == nullptr);
|
||||
|
||||
try {
|
||||
any_cast<double>(x);
|
||||
VERIFY(false);
|
||||
} catch (const bad_any_cast&) {
|
||||
}
|
||||
}
|
||||
|
||||
void test03()
|
||||
{
|
||||
using std::experimental::bad_any_cast;
|
||||
any x(std::allocator_arg, std::allocator<double>{}, 1);
|
||||
auto p = any_cast<double>(&x);
|
||||
VERIFY(p == nullptr);
|
||||
|
||||
x = any(std::allocator_arg, std::allocator<int>{}, 1.0);
|
||||
p = any_cast<double>(&x);
|
||||
VERIFY(p != nullptr);
|
||||
|
||||
x = any(std::allocator_arg, std::allocator<char>{});
|
||||
p = any_cast<double>(&x);
|
||||
VERIFY(p == nullptr);
|
||||
|
||||
try {
|
||||
any_cast<double>(x);
|
||||
VERIFY(false);
|
||||
} catch (const bad_any_cast&) {
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
test02();
|
||||
test03();
|
||||
}
|
||||
30
libstdc++-v3/testsuite/experimental/any/misc/any_cast_neg.cc
Normal file
30
libstdc++-v3/testsuite/experimental/any/misc/any_cast_neg.cc
Normal file
@ -0,0 +1,30 @@
|
||||
// { dg-options "-std=gnu++14" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/any>
|
||||
|
||||
void test01()
|
||||
{
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
|
||||
const any y(1);
|
||||
any_cast<int&>(y); // { dg-error "qualifiers" "" { target { *-*-* } } 381 }
|
||||
}
|
||||
@ -0,0 +1,54 @@
|
||||
// { dg-options "-std=gnu++14 -fno-rtti" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/any>
|
||||
#include <string>
|
||||
#include <cstring>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
|
||||
void test01()
|
||||
{
|
||||
using std::experimental::bad_any_cast;
|
||||
any x(1);
|
||||
auto p = any_cast<double>(&x);
|
||||
VERIFY(p == nullptr);
|
||||
|
||||
x = 1.0;
|
||||
p = any_cast<double>(&x);
|
||||
VERIFY(p != nullptr);
|
||||
|
||||
x = any();
|
||||
p = any_cast<double>(&x);
|
||||
VERIFY(p == nullptr);
|
||||
|
||||
try {
|
||||
any_cast<double>(x);
|
||||
VERIFY(false);
|
||||
} catch (const bad_any_cast&) {
|
||||
}
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
}
|
||||
38
libstdc++-v3/testsuite/experimental/any/misc/swap.cc
Normal file
38
libstdc++-v3/testsuite/experimental/any/misc/swap.cc
Normal file
@ -0,0 +1,38 @@
|
||||
// { dg-options "-std=gnu++14" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/any>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
using std::experimental::any;
|
||||
|
||||
void test01()
|
||||
{
|
||||
any x(1);
|
||||
any y;
|
||||
swap(x, y);
|
||||
VERIFY( x.empty() );
|
||||
VERIFY( !y.empty() );
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
}
|
||||
44
libstdc++-v3/testsuite/experimental/any/modifiers/1.cc
Normal file
44
libstdc++-v3/testsuite/experimental/any/modifiers/1.cc
Normal file
@ -0,0 +1,44 @@
|
||||
// { dg-options "-std=gnu++14" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/any>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
using std::experimental::any;
|
||||
|
||||
void test01()
|
||||
{
|
||||
any x(1);
|
||||
any y;
|
||||
x.swap(y);
|
||||
VERIFY( x.empty() );
|
||||
VERIFY( !y.empty() );
|
||||
x.swap(y);
|
||||
VERIFY( !x.empty() );
|
||||
VERIFY( y.empty() );
|
||||
|
||||
x.clear();
|
||||
VERIFY( x.empty() );
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
}
|
||||
39
libstdc++-v3/testsuite/experimental/any/observers/type.cc
Normal file
39
libstdc++-v3/testsuite/experimental/any/observers/type.cc
Normal file
@ -0,0 +1,39 @@
|
||||
// { dg-options "-std=gnu++14" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/any>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
using std::experimental::any;
|
||||
|
||||
void test01()
|
||||
{
|
||||
any x;
|
||||
VERIFY( x.type() == typeid(void) );
|
||||
x = 1;
|
||||
VERIFY( x.type() == typeid(int) );
|
||||
x = any();
|
||||
VERIFY( x.type() == typeid(void) );
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user