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

Return a hash code for the specified null‐terminated `argument`.

== Synopsis

Declared in `<bdlb_cstringhash.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::size_t
operator()(char const* argument) const;
----

== Description

The behavior is undefined unless `argument` points to a null‐terminated string.

== Return Value

hash code for `argument`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *argument*
| null‐terminated string to hash
|===


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