table of contents
std::pmr::memory_resource::allocate(3) | C++ Standard Libary | std::pmr::memory_resource::allocate(3) |
NAME¶
std::pmr::memory_resource::allocate - std::pmr::memory_resource::allocate
Synopsis¶
void* allocate( std::size_t bytes, (since C++17)
std::size_t alignment = alignof(std::max_align_t) ); (until C++20)
[[nodiscard]] void* allocate( std::size_t bytes,
std::size_t alignment = (since C++20)
alignof(std::max_align_t) );
Allocates storage with a size of at least bytes bytes, aligned to the
specified
alignment.
Equivalent to return do_allocate(bytes, alignment);.
Exceptions¶
Throws an exception if storage of the requested size and
alignment cannot be
obtained.
Defect reports
The following behavior-changing defect reports were applied retroactively to
previously published C++ standards.
DR Applied to Behavior as published Correct behavior
LWG 2843 ??? over-alignment was allowed to be alignment must be
unsupported honoured
See also¶
do_allocate allocates memory
[virtual] (virtual private member function)
2024.06.10 | http://cppreference.com |