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std::
weak_ptr
From cppreference.com
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memory
C++
Compiler support
Freestanding and hosted
Language
Standard library
Standard library headers
Named requirements
Feature test macros
(C++20)
Language support library
Concepts library
(C++20)
Diagnostics library
Memory management library
Metaprogramming library
(C++11)
General utilities library
Containers library
Iterators library
Ranges library
(C++20)
Algorithms library
Strings library
Text processing library
Numerics library
Date and time library
Input/output library
Filesystem library
(C++17)
Concurrency support library
(C++11)
Execution control library
(C++26)
Technical specifications
Symbols index
External libraries
[edit]
Memory management library
voidify
(
exposition only*
)
Allocators
allocator
allocator_traits
(C++11)
allocation_result
(C++23)
scoped_allocator_adaptor
(C++11)
pmr::polymorphic_allocator
(C++17)
allocator_arg
(C++11)
uses_allocator
(C++11)
uses_allocator_construction_args
(C++20)
make_obj_using_allocator
(C++20)
uninitialized_construct_using_allocator
(C++20)
Uninitialized memory algorithms
uninitialized_copy
uninitialized_fill
uninitialized_move
(C++17)
uninitialized_copy_n
(C++11)
uninitialized_fill_n
uninitialized_move_n
(C++17)
construct_at
(C++20)
uninitialized_default_construct
(C++17)
uninitialized_value_construct
(C++17)
destroy
(C++17)
uninitialized_default_construct_n
(C++17)
uninitialized_value_construct_n
(C++17)
destroy_n
(C++17)
destroy_at
(C++17)
Constrained uninitialized memory algorithms
ranges::uninitialized_copy
(C++20)
ranges::uninitialized_fill
(C++20)
ranges::uninitialized_move
(C++20)
ranges::uninitialized_copy_n
(C++20)
ranges::uninitialized_fill_n
(C++20)
ranges::uninitialized_move_n
(C++20)
ranges::construct_at
(C++20)
ranges::uninitialized_default_construct
(C++20)
ranges::uninitialized_value_construct
(C++20)
ranges::destroy
(C++20)
ranges::uninitialized_default_construct_n
(C++20)
ranges::uninitialized_value_construct_n
(C++20)
ranges::destroy_n
(C++20)
ranges::destroy_at
(C++20)
Memory resources
pmr::memory_resource
(C++17)
pmr::get_default_resource
(C++17)
pmr::set_default_resource
(C++17)
pmr::new_delete_resource
(C++17)
pmr::pool_options
(C++17)
pmr::null_memory_resource
(C++17)
pmr::synchronized_pool_resource
(C++17)
pmr::unsynchronized_pool_resource
(C++17)
pmr::monotonic_buffer_resource
(C++17)
Explicit lifetime management