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

Return the allocator to use when copy‐constructing a container.

== Synopsis

Declared in `<bslma_allocatortraits.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
using Base::select_on_container_copy_construction;
----

== Description

Return a copy of the allocator that should be used to copy‐construct one container from another whose allocator is `rhs`, via the underlying `std::allocator_traits` implementation.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *rhs*
| allocator of the container being copy‐constructed from
|===


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