[#bsl-Pair_Second-05e-2constructor-08e]
= xref:bsl.adoc[bsl]::xref:bsl/Pair_Second-05e.adoc[Pair_Second]::Pair_Second
:relfileprefix: ../../
:mrdocs:

Construct the `second` member of a `pair` from the specified `value` without specifying an allocator. This function (perfectly) forwards `value` to the constructor of (template parameter) `TYPE`. Note that this constructor is constrained to avoid accidentally becoming a stronger match for the move and copy constructors.

== Synopsis

Declared in `<bslstl_pair.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class PARAM,
    class = void>
requires !bsl::is_same<Pair_Second,
                                      bsl::remove_cvref_t<PARAM>>::value
constexpr
explicit
Pair_Second(PARAM&& value);
----


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