[#bsl-map-0c7-difference_type]
= xref:bsl.adoc[bsl]::xref:bsl/map-0c7.adoc[map<int, pair<shared_ptr<Statistics>, shared_ptr<Collector<OsLinux>>>>]::difference_type
:relfileprefix: ../../
:mrdocs:

Signed integer type measuring iterator distance.

== Synopsis

Declared in `<bslstl_map.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef xref:bsl/allocator_traits-060/difference_type.adoc[AllocatorTraits::difference_type] difference_type;
----


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