[#BloombergLP-bslstl-Optional_Base-05-emplace-02]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Optional_Base-05.adoc[Optional_Base]::emplace
:relfileprefix: ../../../
:mrdocs:

Destroy any contained value and construct a new one in place.

== Synopses

Declared in `<bslstl_optional.h>`

Destroy any contained value and construct a new one in place.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class... t_ARGS>
t_TYPE&
xref:BloombergLP/bslstl/Optional_Base-05/emplace-0f.adoc[emplace](t_ARGS&&... args);
----

[.small]#xref:BloombergLP/bslstl/Optional_Base-05/emplace-0f.adoc[_» more..._]#

Destroy any contained value and construct a new one in place.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class t_INIT_LIST_TYPE,
    class... t_ARGS>
t_TYPE&
xref:BloombergLP/bslstl/Optional_Base-05/emplace-0c.adoc[emplace](
    std::initializer_list<t_INIT_LIST_TYPE> il,
    t_ARGS&&... args);
----

[.small]#xref:BloombergLP/bslstl/Optional_Base-05/emplace-0c.adoc[_» more..._]#

== Return Value

reference providing modifiable access to the contained value

== Parameters

[cols="1,4"]
|===
| Name| Description
| *args*
| arguments forwarded to construct the contained value
| *il*
| initializer list forwarded to construct the contained value
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#