[#BloombergLP-bdlb-CStringEqualTo]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::CStringEqualTo
:relfileprefix: ../../
:mrdocs:

This `struct` defines a comparison functor on null‐terminated character strings, enabling them for use as keys in the standard unordered associative containers such as `bsl::unordered_map` and `bsl::unordered_set`. Note that this class is an empty POD type.

== Synopsis

Declared in `<bdlb_cstringequalto.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct CStringEqualTo;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlb/CStringEqualTo/first_argument_type.adoc[`first_argument_type`] 
| Type of the first argument to the function‐call operator.
| xref:BloombergLP/bdlb/CStringEqualTo/result_type.adoc[`result_type`] 
| Type of the function‐call operator's result.
| xref:BloombergLP/bdlb/CStringEqualTo/second_argument_type.adoc[`second_argument_type`] 
| Type of the second argument to the function‐call operator.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlb/CStringEqualTo/operator_call.adoc[`operator()`] 
| Return `true` if the specified `lhs` string has the same (case sensitive) value as the specified `rhs` string, and `false` otherwise. The behavior is undefined unless both `lhs` and `rhs` point to null‐terminated strings.
| xref:BloombergLP/bdlb/CStringEqualTo/2conversion.adoc[`operator BloombergLP::bslmf::NestedTraitDeclaration<CStringEqualTo, is_trivially_default_constructible>`] 
| Declare that this type is trivially copyable.
|===



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