[#bsl-allocator_traits-0ae]
= xref:bsl.adoc[bsl]::xref:bsl/allocator_traits-0108.adoc[allocator_traits]<std::allocator<ALLOCATOR_TYPE>>
:relfileprefix: ../
:mrdocs:

== Synopsis

Declared in `<bslma_allocatortraits.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class ALLOCATOR_TYPE>
struct xref:bsl/allocator_traits-0108.adoc[allocator_traits]<std::allocator<ALLOCATOR_TYPE>>
    : std::allocator_traits<std::allocator<ALLOCATOR_TYPE>>
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `std::allocator_traits<std::allocator<ALLOCATOR_TYPE>>`
| Uniform interface to all allocator types.
|===

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:bsl/allocator_traits-0ae/allocator_type.adoc[`allocator_type`] 
| The allocator type
| xref:bsl/allocator_traits-0ae/const_pointer.adoc[`const_pointer`] 
| The allocator's const pointer type.
| xref:bsl/allocator_traits-0ae/const_void_pointer.adoc[`const_void_pointer`] 
| The allocator's const void pointer type.
| xref:bsl/allocator_traits-0ae/difference_type.adoc[`difference_type`] 
| The allocator's difference type
| xref:bsl/allocator_traits-0ae/is_always_equal.adoc[`is_always_equal`] 
| Whether all instances of the allocator type compare equal.
| xref:bsl/allocator_traits-0ae/pointer.adoc[`pointer`] 
| The allocator's pointer type.
| xref:bsl/allocator_traits-0ae/propagate_on_container_copy_assignment.adoc[`propagate_on_container_copy_assignment`] 
| How the allocator is propagated on copy assignment
| xref:bsl/allocator_traits-0ae/propagate_on_container_move_assignment.adoc[`propagate_on_container_move_assignment`] 
| How the allocator is propagated on move assignment
| xref:bsl/allocator_traits-0ae/propagate_on_container_swap.adoc[`propagate_on_container_swap`] 
| How the allocator is propagated on swap
| xref:bsl/allocator_traits-0ae/rebind_alloc.adoc[`rebind_alloc`] 
| 
| xref:bsl/allocator_traits-0ae/rebind_traits.adoc[`rebind_traits`] 
| 
| xref:bsl/allocator_traits-0ae/size_type.adoc[`size_type`] 
| The allocator's size type
| xref:bsl/allocator_traits-0ae/value_type.adoc[`value_type`] 
| The allocated type
| xref:bsl/allocator_traits-0ae/void_pointer.adoc[`void_pointer`] 
| The allocator's void pointer type.
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:bsl/allocator_traits-0ae/allocate-02.adoc[`allocate`] 
| Allocate memory.
| xref:bsl/allocator_traits-0ae/construct.adoc[`construct`] 
| Construct an object of type `_Tp`
| xref:bsl/allocator_traits-0ae/deallocate.adoc[`deallocate`] 
| Deallocate memory.
| xref:bsl/allocator_traits-0ae/destroy.adoc[`destroy`] 
| Destroy an object of type __Tp_
| xref:bsl/allocator_traits-0ae/max_size.adoc[`max_size`] 
| The maximum supported allocation size
| xref:bsl/allocator_traits-0ae/select_on_container_copy_construction.adoc[`select_on_container_copy_construction`] 
| Obtain an allocator to use when copying a container.
|===



[.small]#Created with https://www.mrdocs.com[MrDocs]#