]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/allocator_traits/members/pointers.cc
1 // Copyright (C) 2017-2024 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
18 // { dg-do compile { target c++11 } }
19 // { dg-require-effective-target hosted }
23 // Non-type template param means pointer_traits::rebind can't be instantiated.
24 template<typename T
, int = 0>
27 using element_type
= T
;
28 Pointer(T
* p
= nullptr) : ptr(p
) { }
36 using pointer
= Pointer
<T
>;
37 using const_pointer
= Pointer
<const T
>;
38 using void_pointer
= Pointer
<void>;
39 using const_void_pointer
= Pointer
<const void>;
41 pointer
allocate(std::size_t n
)
42 { return std::allocator
<T
>().allocate(n
); }
44 void allocate(pointer p
, std::size_t n
)
45 { return std::allocator
<T
>().deallocate(p
, n
); }
48 // The nested pointer types in Alloc should be found without attempting to
49 // instantiate pointer_traits::rebind (which would fail):
50 std::allocator_traits
<Alloc
<int>>::pointer p
;
51 std::allocator_traits
<Alloc
<int>>::const_pointer cp
;
52 std::allocator_traits
<Alloc
<int>>::void_pointer vp
;
53 std::allocator_traits
<Alloc
<int>>::const_void_pointer cvp
;