[#absl-CommandLineFlag-2constructor-0e]
= xref:absl.adoc[absl]::xref:absl/CommandLineFlag.adoc[CommandLineFlag]::CommandLineFlag
:relfileprefix: ../../
:mrdocs:

Constructs an empty command line flag handle&period;

== Synopsis

Declared in `&lt;absl&sol;flags&sol;commandlineflag&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
CommandLineFlag() = default;
----


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