[#bsl-Pair_First-09-2constructor-0b4]
= xref:bsl.adoc[bsl]::xref:bsl/Pair_First-09.adoc[Pair_First<TYPE&&>]::Pair_First
:relfileprefix: ../../
:mrdocs:

Bind the specified `value` into the `first` reference‐member.

== 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);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *value*
| entity to bind into the `first` reference‐member
|===


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