[#common-SettingsSpan-empty]
= xref:common.adoc[common]::xref:common/SettingsSpan.adoc[SettingsSpan]::empty
:relfileprefix: ../../
:mrdocs:

Whether the span has no non‐negated values.

== Synopsis

Declared in `<common/settings.h>`

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

== Return Value

True if there are no non‐negated values.


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