std::pmr::memory_resource::allocate

 

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std::pmr::memory_resource

memory_resource::memory_resource

Public member functions

memory_resource::allocate

memory_resource::deallocate

memory_resource::is_equal

Private member functions

memory_resource::do_allocate

memory_resource::do_deallocate

memory_resource::do_is_equal

Non-member functions

operator==operator!= (until C++20)

 

void* allocate( std::size_t bytes,                 std::size_t alignment = alignof(std::max_align_t) );		(since C++17) (until C++20)
[[nodiscard]] void* allocate( std::size_t bytes,                               std::size_t alignment = alignof(std::max_align_t) );		(since C++20)

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 unsupported	alignment must be honoured

See also

do_allocate [virtual]

allocates memory (virtual private member function)