[#bsl-Pair_Second-05b]
= xref:bsl.adoc[bsl]::xref:bsl/Pair_Second-05e.adoc[Pair_Second]<TYPE&&>
:relfileprefix: ../
:mrdocs:

Component‐private base holding a pair's `second` member by rvalue reference.

== Synopsis

Declared in `<bslstl_pair.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TYPE>
struct xref:bsl/Pair_Second-05e.adoc[Pair_Second]<TYPE&&>;
----

== Description

This component‐private `class` holds the `second` data member of a `pair` when that member is an rvalue‐reference. Note that the C++ Standard defines the assignment operator to assign through the reference in this case, where the implicitly declared assignment operator would be deleted.

== Protected Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:bsl/Pair_Second-05b/2constructor-0c.adoc[`Pair_Second`]         [.small]#[constructor]#
| Constructors
| xref:bsl/Pair_Second-05b/operator_assign.adoc[`operator=`] 
| Assign through the `second` reference from `rhs.second`.
|===


== Protected Data Members

[cols="1,4"]
|===
| Name| Description
| xref:bsl/Pair_Second-05b/second.adoc[`second`] 
| The `second` element of the pair, held by rvalue reference.
|===



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