[#bsl-pair-0b-2constructor-00c]
= xref:bsl.adoc[bsl]::xref:bsl/pair-0b.adoc[pair]::pair
:relfileprefix: ../../
:mrdocs:

Construct a `pair` with the `first` member initialized to the specified `a` value and the `second` member initialized to the specified `b` value, using the specified `basicAllocator` to supply memory for each member when its type uses `bslma`‐style allocators.

== Synopsis

Declared in `<bslstl_pair.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class PARAM_1,
    class PARAM_2>
pair(
    PARAM_1&& a,
    PARAM_2&& b,
    xref:BloombergLP/bslma/Allocator.adoc[BloombergLP::bslma::Allocator]* basicAllocator);
----


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