[#bsl-Pair_First-02-2constructor-0e2]
= xref:bsl.adoc[bsl]::xref:bsl/Pair_First-02.adoc[Pair_First<TYPE&>]::Pair_First
:relfileprefix: ../../
:mrdocs:

== Synopsis

Declared in `<bslstl_pair.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class PARAM,
    class = void>
requires std::is_constructible<TYPE, PARAM>::value
constexpr
explicit
Pair_First(PARAM&& value);
----


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