[#bsl-Pair_First-02-operator_assign]
= xref:bsl.adoc[bsl]::xref:bsl/Pair_First-02.adoc[Pair_First<TYPE&>]::operator=
:relfileprefix: ../../
:mrdocs:

Assign through the `first` reference from `rhs.first`.

== Synopsis

Declared in `<bslstl_pair.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/Pair_First-02.adoc[Pair_First<TYPE&>]&
operator=(xref:bsl/Pair_First-02.adoc[Pair_First] const& rhs) noexcept;
----

== Description

Assign to the object bound to `first` the value of the object bound to 'rhs.first', and return a reference offering modifiable access to this object. Note that this operations assigns through the reference, it does not rebind the reference.

== Return Value

reference offering modifiable access to this object

== Parameters

[cols="1,4"]
|===
| Name| Description
| *rhs*
| object whose bound `first` value is assigned from
|===


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