[#bsl-hash-02-argument_type]
= xref:bsl.adoc[bsl]::xref:bsl/hash-02.adoc[hash<unsigned long long>]::argument_type
:relfileprefix: ../../
:mrdocs:

DEPRECATED: This typedef is depreacted in C++17, for details see https://isocpp.org/files/papers/p0005r4.html.

== Synopsis

Declared in `<bslstl_hash.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef unsigned long long argument_type;
----


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