tuple: Restore is_convertible constraint.
2011-05-31 Jonathan Wakely <jwakely.gcc@gmail.com> * include/std/tuple: Restore is_convertible constraint. * testsuite/20_util/tuple/cons/allocate_noncopyable.cc: Remove. From-SVN: r174458
This commit is contained in:
parent
5f1330380a
commit
59d6607d6f
|
@ -1,3 +1,8 @@
|
|||
2011-05-31 Jonathan Wakely <jwakely.gcc@gmail.com>
|
||||
|
||||
* include/std/tuple: Restore is_convertible constraint.
|
||||
* testsuite/20_util/tuple/cons/allocate_noncopyable.cc: Remove.
|
||||
|
||||
2011-05-30 Paolo Carlini <paolo.carlini@oracle.com>
|
||||
|
||||
PR libstdc++/49236
|
||||
|
|
|
@ -629,7 +629,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
: _Inherited(__a1) { }
|
||||
|
||||
template<typename _U1, typename = typename
|
||||
std::enable_if<std::is_constructible<_T1, _U1&&>::value>::type>
|
||||
std::enable_if<std::is_convertible<_U1, _T1>::value>::type>
|
||||
explicit
|
||||
tuple(_U1&& __a1)
|
||||
: _Inherited(std::forward<_U1>(__a1)) { }
|
||||
|
|
|
@ -1,73 +0,0 @@
|
|||
// { dg-options "-std=gnu++0x" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2011 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/>.
|
||||
|
||||
// 20.4.2.1 [tuple.cnstr] Allocator-extended constructors
|
||||
|
||||
#include <memory>
|
||||
#include <tuple>
|
||||
|
||||
struct MyAlloc { };
|
||||
|
||||
struct Tag0 { };
|
||||
struct Tag1 { };
|
||||
struct Tag2 { };
|
||||
|
||||
// A non-copyable and non-movable type
|
||||
struct Type
|
||||
{
|
||||
typedef MyAlloc allocator_type;
|
||||
|
||||
explicit Type(Tag0) { }
|
||||
Type(std::allocator_arg_t, MyAlloc, Tag1) { }
|
||||
Type(Tag2, MyAlloc) { }
|
||||
|
||||
Type(const Type&) = delete;
|
||||
Type(Type&&) = delete;
|
||||
Type& operator=(const Type&) = delete;
|
||||
Type& operator=(Type&&) = delete;
|
||||
};
|
||||
|
||||
void test01()
|
||||
{
|
||||
using std::allocator_arg;
|
||||
using std::tuple;
|
||||
|
||||
MyAlloc a;
|
||||
Tag0 tag0;
|
||||
Tag1 tag1;
|
||||
Tag2 tag2;
|
||||
|
||||
// N.B. cannot use Tag0 with uses-allocator construction, because
|
||||
// uses_allocator<Type, MyAlloc> is true but no suitable cosntructor
|
||||
tuple<Type> t1(tag0);
|
||||
|
||||
tuple<Type> t2(allocator_arg, a, tag1);
|
||||
tuple<Type> t3(allocator_arg, a, tag2);
|
||||
|
||||
tuple<Type, Type> t4(allocator_arg, a, tag1, tag2);
|
||||
|
||||
tuple<Type, Type, Type> t5(allocator_arg, a, tag2, tag1, tag2);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue