[#absl-optional_ref-0c-value_or]
= xref:absl.adoc[absl]::xref:absl/optional_ref-0c.adoc[optional_ref]::value_or
:relfileprefix: ../../
:mrdocs:

Returns the value if present, otherwise `default_value`.

== Synopsis

Declared in `<absl/types/optional_ref.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename U>
constexpr
T
value_or(U&& default_value) const;
----

== Return Value

The referenced value, or `default_value` if empty.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *default_value*
| The value returned when `*this` is empty.
|===


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