[#BloombergLP-bslstl-Optional_Base-05-operator_assign-08]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Optional_Base-05.adoc[Optional_Base]::operator=
:relfileprefix: ../../../
:mrdocs:

Assign to this object the value of the specified `rhs` object, and return a non‐`const` reference to this object. The allocators of this object and `rhs` both remain unchanged. The contents of `rhs` are either move‐constructed into or move‐assigned to this object. `rhs` is left in a valid but unspecified state.

== Synopsis

Declared in `<bslstl_optional.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bslstl/Optional_Base-05.adoc[Optional_Base<t_TYPE, t_USES_BSLMA_ALLOC>]&
operator=(xref:BloombergLP/bslmf/MovableRef.adoc[BloombergLP::bslmf::MovableRef<Optional_Base>] rhs);
----


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