[#ArgsManager-GetBoolArg-0d]
= xref:ArgsManager.adoc[ArgsManager]::GetBoolArg
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:mrdocs:

`GetBoolArg` overloads

== Synopses

Declared in `<common/args.h>`

Return boolean argument, or std::nullopt if it was not set.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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[[requires_capability(0x7f2e381adc28)]]
std::optional<bool>
xref:ArgsManager/GetBoolArg-0f.adoc[GetBoolArg](std::string const& strArg) const;
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[.small]#xref:ArgsManager/GetBoolArg-0f.adoc[_» more..._]#

Return boolean argument or default value


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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[[requires_capability(0x7f2e381adae8)]]
bool
xref:ArgsManager/GetBoolArg-02.adoc[GetBoolArg](
    std::string const& strArg,
    bool fDefault) const;
----

[.small]#xref:ArgsManager/GetBoolArg-02.adoc[_» more..._]#

== Return Value

* The boolean value, or std::nullopt if unset.
* command‐line argument or default value

== Parameters

[cols="1,4"]
|===
| Name| Description
| *strArg*
| Argument to get (e.g. "‐foo").
| *fDefault*
| (true or false)
|===


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