[#bsl-Pair_Second-05e-2constructor-06c]
= 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`, using the specified `basicAllocator` to supply memory. This function (perfectly) forwards `value` to the constructor of (template parameter) `TYPE`. Note that exactly one of these three constructors is enabled at compile‐time for (template parameter) type `TYPE` based on the following respective criteria: 1) `TYPE` does not support `bslma`‐style allocators, 2) `TYPE` takes a `bslma`‐style allocator as the last constructor argument, and 3) `TYPE` takes a `bslma`‐style allocator as the second constructor argument preceded by `bsl::allocator_arg`.

== Synopsis

Declared in `<bslstl_pair.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class PARAM>
Pair_Second(
    PARAM&& value,
    xref:BloombergLP/bslma/Allocator.adoc[BloombergLP::bslma::Allocator]* basicAllocator,
    xref:bsl/Pair_BslmaIdiomNone.adoc[Pair_BslmaIdiomNone]);
----


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