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

`true_type` if two allocators always compare equal; else `false_type`.

== Synopsis

Declared in `<bslma_allocatortraits.h>`

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


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