[#BloombergLP-bdlb-CaselessStringViewHash-operator_call]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/CaselessStringViewHash.adoc[CaselessStringViewHash]::operator()
:relfileprefix: ../../../
:mrdocs:

Return a hash code generated from the contents of the specified null&hyphen;terminated `argument` string, cast to lower case&period; The behavior is undefined unless `argument` points to a null&hyphen;terminated string&period;

== Synopsis

Declared in `&lt;bdlb&lowbar;caselessstringviewhash&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::size&lowbar;t
operator()(std::string&lowbar;view argument) const;
----


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