packaged_task() noexcept;
template <class F>
explicit packaged_task(F&& f);
- template <class F, class Allocator>
- packaged_task(allocator_arg_t, const Allocator& a, F&& f);
~packaged_task();
// no copy
template <class R>
void swap(packaged_task<R(ArgTypes...)&, packaged_task<R(ArgTypes...)>&) noexcept;
-template <class R, class Alloc> struct uses_allocator<packaged_task<R>, Alloc>;
-
} // std
*/
>
_LIBCPP_INLINE_VISIBILITY
explicit packaged_task(_Fp&& __f) : __f_(_VSTD::forward<_Fp>(__f)) {}
- template <class _Fp, class _Allocator,
- class = typename enable_if
- <
- !is_same<
- typename decay<_Fp>::type,
- packaged_task
- >::value
- >::type
- >
- _LIBCPP_INLINE_VISIBILITY
- packaged_task(allocator_arg_t, const _Allocator& __a, _Fp&& __f)
- : __f_(allocator_arg, __a, _VSTD::forward<_Fp>(__f)),
- __p_(allocator_arg, __a) {}
// ~packaged_task() = default;
// no copy
>
_LIBCPP_INLINE_VISIBILITY
explicit packaged_task(_Fp&& __f) : __f_(_VSTD::forward<_Fp>(__f)) {}
- template <class _Fp, class _Allocator,
- class = typename enable_if
- <
- !is_same<
- typename decay<_Fp>::type,
- packaged_task
- >::value
- >::type
- >
- _LIBCPP_INLINE_VISIBILITY
- packaged_task(allocator_arg_t, const _Allocator& __a, _Fp&& __f)
- : __f_(allocator_arg, __a, _VSTD::forward<_Fp>(__f)),
- __p_(allocator_arg, __a) {}
// ~packaged_task() = default;
// no copy
__x.swap(__y);
}
-template <class _Callable, class _Alloc>
-struct _LIBCPP_TEMPLATE_VIS uses_allocator<packaged_task<_Callable>, _Alloc>
- : public true_type {};
-
template <class _Rp, class _Fp>
future<_Rp>
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+++ /dev/null
-//===----------------------------------------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// UNSUPPORTED: libcpp-has-no-threads
-// UNSUPPORTED: c++98, c++03
-
-// <future>
-
-// class packaged_task<R(ArgTypes...)>
-// template <class F, class Allocator>
-// packaged_task(allocator_arg_t, const Allocator& a, F&& f);
-// These constructors shall not participate in overload resolution if
-// decay<F>::type is the same type as std::packaged_task<R(ArgTypes...)>.
-
-#include <future>
-#include <cassert>
-
-#include "test_allocator.h"
-
-struct A {};
-typedef std::packaged_task<A(int, char)> PT;
-typedef volatile std::packaged_task<A(int, char)> VPT;
-
-int main()
-{
- PT p { std::allocator_arg_t{}, test_allocator<A>{}, VPT {}}; // expected-error {{no matching constructor for initialization of 'PT' (aka 'packaged_task<A (int, char)>')}}
- // expected-note-re@future:* 1 {{candidate template ignored: {{(disabled by 'enable_if')|(requirement '.*' was not satisfied)}}}}
-}
// class packaged_task<R(ArgTypes...)>
-// template <class F, class Allocator>
-// explicit packaged_task(allocator_arg_t, const Allocator& a, F&& f);
-
#include <future>
#include <cassert>
<tr><td><a href="https://wg21.link/LWG2905">2905</a></td><td>is_constructible_v<unique_ptr<P, D>, P, D const &> should be false when D is not copy constructible</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2908">2908</a></td><td>The less-than operator for shared pointers could do more</td><td>Kona</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG2911">2911</a></td><td>An is_aggregate type trait is needed</td><td>Kona</td><td>Complete</td></tr>
- <tr><td><a href="https://wg21.link/LWG2921">2921</a></td><td>packaged_task and type-erased allocators</td><td>Kona</td><td></td></tr>
+ <tr><td><a href="https://wg21.link/LWG2921">2921</a></td><td>packaged_task and type-erased allocators</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2934">2934</a></td><td>optional<const T> doesn't compare with T</td><td>Kona</td><td>Complete</td></tr>
<tr><td></td><td></td><td></td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG2901">2901</a></td><td>Variants cannot properly support allocators</td><td>Toronto</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2964">2964</a></td><td>Apparently redundant requirement for dynamic_pointer_cast</td><td>Albuquerque</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG2965">2965</a></td><td>Non-existing path::native_string() in filesystem_error::what() specification</td><td>Albuquerque</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG2972">2972</a></td><td>What is is_trivially_destructible_v<int>?</td><td>Albuquerque</td><td>Complete</td></tr>
- <tr><td><a href="https://wg21.link/LWG2976">2976</a></td><td>Dangling uses_allocator specialization for packaged_task</td><td>Albuquerque</td><td></td></tr>
+ <tr><td><a href="https://wg21.link/LWG2976">2976</a></td><td>Dangling uses_allocator specialization for packaged_task</td><td>Albuquerque</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2977">2977</a></td><td>unordered_meow::merge() has incorrect Throws: clause</td><td>Albuquerque</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG2978">2978</a></td><td>Hash support for pmr::string and friends</td><td>Albuquerque</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG2979">2979</a></td><td>aligned_union should require complete object types</td><td>Albuquerque</td><td>Complete</td></tr>