[#bsl-hash_map-const_reference]
= xref:bsl.adoc[bsl]::xref:bsl/hash_map.adoc[hash&lowbar;map]::const&lowbar;reference
:relfileprefix: ../../
:mrdocs:

Reference to a non&hyphen;modifiable element&period;

== Synopsis

Declared in `&lt;bslstp&lowbar;hashmap&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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typedef &lowbar;Ht::const&lowbar;reference const&lowbar;reference;
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