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std::polymorphic<T, Allocator>::
get_allocator
From cppreference.com
<
cpp
|
memory
|
polymorphic
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
start_lifetime_as
(C++23)
start_lifetime_as_array
(C++23)
Types for composite class design
indirect
(C++26)
polymorphic
(C++26)
Uninitialized storage
(until C++20)
raw_storage_iterator
(
until C++20*
)
get_temporary_buffer
(
until C++20*
)
return_temporary_buffer
(
until C++20*
)
Garbage collector support
(until C++23)
declare_reachable
(C++11)
(until C++23)
declare_no_pointers
(C++11)
(until C++23)
pointer_safety
(C++11)
(until C++23)
undeclare_reachable
(C++11)
(until C++23)
undeclare_no_pointers
(C++11)
(until C++23)
get_pointer_safety
(C++11)
(until C++23)
Low level memory
management
operator new
operator new[]
operator delete
operator delete[]
nothrow_t
nothrow
new_handler
set_new_handler
get_new_handler
(C++11)
bad_alloc
bad_array_new_length
(C++11)
align_val_t
(C++17)
destroying_delete_t
(C++20)
launder
(C++17)
Smart pointers
unique_ptr
(C++11)
shared_ptr
(C++11)
weak_ptr
(C++11)
auto_ptr
(
until C++17*
)
owner_less
(C++11)
owner_less<void>
(C++17)
owner_hash
(C++26)
owner_equal
(C++26)
enable_shared_from_this
(C++11)
bad_weak_ptr
(C++11)
default_delete
(C++11)
out_ptr_t
(C++23)
inout_ptr_t
(C++23)
Miscellaneous
pointer_traits
(C++11)
to_address
(C++20)
addressof
(C++11)
align
(C++11)
assume_aligned
(C++20)
is_sufficiently_aligned
(C++26)
C Library
malloc
calloc
realloc
free
aligned_alloc
(C++17)
[edit]
std::polymorphic
Member functions
polymorphic::polymorphic
polymorphic::~polymorphic
polymorphic::operator=
Observers
polymorphic::operator->
polymorphic::operator*
polymorphic::valueless_after_move
polymorphic::get_allocator
Modifiers
polymorphic::swap
Non-member functions
swap
(std::polymorphic)
[edit]
constexpr
allocator_type get_allocator
(
)
const
noexcept
;
(since C++26)
Obtains the associated allocator.
[
edit
]
Return value
alloc
[
edit
]
Example
This section is incomplete
Reason: no example
Category
:
Todo no example
