[#BloombergLP-bslstl-Optional_Base-05-value_or-07]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Optional_Base-05.adoc[Optional_Base]::value_or
:relfileprefix: ../../../
:mrdocs:

Return the contained value, or a converted fallback if disengaged.

== Synopses

Declared in `<bslstl_optional.h>`

Return the contained value, or a converted fallback if disengaged.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ANY_TYPE>
t_TYPE
xref:BloombergLP/bslstl/Optional_Base-05/value_or-09.adoc[value_or](t_ANY_TYPE&& value) &&;
----

[.small]#xref:BloombergLP/bslstl/Optional_Base-05/value_or-09.adoc[_» more..._]#

Return the contained value, or a converted fallback if disengaged.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ANY_TYPE>
t_TYPE
xref:BloombergLP/bslstl/Optional_Base-05/value_or-04a.adoc[value_or](t_ANY_TYPE&& value) const &;
----

[.small]#xref:BloombergLP/bslstl/Optional_Base-05/value_or-04a.adoc[_» more..._]#

Return the contained value, or a converted fallback if disengaged.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ANY_TYPE>
t_TYPE
xref:BloombergLP/bslstl/Optional_Base-05/value_or-0a.adoc[value_or](
    std::allocator_arg_t allocatorArg,
    xref:BloombergLP/bslstl/Optional_Base-05/allocator_type.adoc[allocator_type] allocator,
    t_ANY_TYPE&& value) &&;
----

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

Return the contained value, or a converted fallback if disengaged.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ANY_TYPE>
t_TYPE
xref:BloombergLP/bslstl/Optional_Base-05/value_or-041.adoc[value_or](
    std::allocator_arg_t allocatorArg,
    xref:BloombergLP/bslstl/Optional_Base-05/allocator_type.adoc[allocator_type] allocator,
    t_ANY_TYPE&& value) const &;
----

[.small]#xref:BloombergLP/bslstl/Optional_Base-05/value_or-041.adoc[_» more..._]#

== Return Value

contained value if engaged, otherwise `value` converted to `t_TYPE`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *value*
| value compared with or used to initialize the optional
| *allocatorArg*
| tag selecting the allocator‐extended constructor
| *allocator*
| allocator used to supply memory
|===


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