[#BloombergLP-bdlb-TransparentStringHash-operator_call-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/TransparentStringHash.adoc[TransparentStringHash]::operator()
:relfileprefix: ../../../
:mrdocs:

Return a hash code generated from the contents of the specified `str`.

== Synopsis

Declared in `<bdlb_transparentstringhash.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class CHAR,
    class TRAITS,
    class ALLOCATOR>
std::size_t
operator()(xref:bsl/basic_string-0faf.adoc[bsl::basic_string<CHAR, TRAITS, ALLOCATOR>] const& str) const;
----

== Return Value

hash code generated from the contents of `str`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *str*
| `bsl::basic_string` whose contents are hashed
|===


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