[#BloombergLP-bslma-Allocator-do_is_equal]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslma.adoc[bslma]::xref:BloombergLP/bslma/Allocator.adoc[Allocator]::do_is_equal
:relfileprefix: ../../../
:mrdocs:

Return whether this allocator can exchange memory with `other`.

== Synopsis

Declared in `<bslma_allocator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
bool
do_is_equal(memory_resource const& other) const noexcept override;
----

== Description

Return `true` if this allocator is equal to the specified `other` allocator, meaning (at least) that a memory block allocated by one can be deallocated by the other; otherwise return `false`. Unless overriden, this method returns `this == &other`.

== Return Value

`true` if the allocators can exchange memory

== Parameters

[cols="1,4"]
|===
| Name| Description
| *other*
| memory resource to compare with this allocator
|===


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