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

Compare two pointers by dereferencing them&period;

== Synopsis

Declared in `&lt;indirectmap&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
operator()(
    T const a,
    T const b) const;
----

== Return Value

true if the value pointed to by a is less than the value pointed to by b&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| The left&hyphen;hand pointer&period;
| *b*
| The right&hyphen;hand pointer&period;
|===


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