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

Determines whether the `optional_ref` contains a value.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
bool
has_value() const;
----

== Return Value

`false` if and only if `*this` is empty.


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