[#BloombergLP-bslstl-Optional_Base-08-assignOrEmplace]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Optional_Base-08.adoc[Optional_Base<t_TYPE, false>]::assignOrEmplace
:relfileprefix: ../../../
:mrdocs:

If `*this` holds an object, assign to that object the value of the specified `rhs`, converted to `t_TYPE`. Otherwise, construct a held object from `rhs`, converted to `t_TYPE`.

== Synopsis

Declared in `<bslstl_optional.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ANY_TYPE>
constexpr
void
assignOrEmplace(t_ANY_TYPE&& rhs);
----


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