[#BloombergLP-balcl-CommandLine-hasValue]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balcl.adoc[balcl]::xref:BloombergLP/balcl/CommandLine.adoc[CommandLine]::hasValue
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:mrdocs:

Return `true` if this command‐line object's option having the specified `name` has a defined value, and `false` otherwise. An option has a defined value if `isSpecified(name)` or if a default value was configured for the option (see {Occurrence Information Field}). The behavior is undefined unless this command‐line object `isParsed()` and `hasOption(name)`.

== Synopsis

Declared in `<balcl_commandline.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
hasValue(std::string_view const& name) const;
----


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