[#bsl-equal_to-09]
= xref:bsl.adoc[bsl]::xref:bsl/equal_to-0d.adoc[equal_to]<void>
:relfileprefix: ../
:mrdocs:

This `struct` defines a binary comparison functor applying `operator==` to two objects of (possibly different) types. Note that this class is an empty POD type.

== Synopsis

Declared in `<bslstl_equalto.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<>
struct xref:bsl/equal_to-0d.adoc[equal_to]<void>;
----

== Type Aliases

[cols="1"]
|===
| Name
| xref:bsl/equal_to-09/is_transparent.adoc[`is_transparent`] 
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:bsl/equal_to-09/operator_call.adoc[`operator()`] 
| Return `true` if the specified `lhs` compares equal to the specified `rhs` using the equality‐comparison operator, `lhs == rhs`. Implemented inline because of all the duplication of `std::forward<TYPE1>(lhs) == std::forward<TYPE2>(rhs)`.
|===



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