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

Return the value of the option having the specified `name`. The behavior is undefined unless this command‐line object `isParsed()`, `hasOption(name)`, `OptionType::e_DOUBLE == type(name)`, and `hasValue(name)`.

== Synopsis

Declared in `<balcl_commandline.h>`

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


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