[#BloombergLP-bdlb-CaselessStringViewEqualTo]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::CaselessStringViewEqualTo
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This `struct` defines a case‐insensitive equality comparison functor on string views, 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_caselessstringviewequalto.h>`

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

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlb/CaselessStringViewEqualTo/first_argument_type.adoc[`first_argument_type`] 
| Type of the first argument to the function‐call operator.
| xref:BloombergLP/bdlb/CaselessStringViewEqualTo/is_transparent.adoc[`is_transparent`] 
| Type alias indicating this is a transparent hash functor.
| xref:BloombergLP/bdlb/CaselessStringViewEqualTo/result_type.adoc[`result_type`] 
| Type of the function‐call operator's result.
| xref:BloombergLP/bdlb/CaselessStringViewEqualTo/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/CaselessStringViewEqualTo/operator_call.adoc[`operator()`] 
| Return `true` if the specified `lhs` string view has the same (case insensitive) value as the specified `rhs` string view, and `false` otherwise.
| xref:BloombergLP/bdlb/CaselessStringViewEqualTo/2conversion.adoc[`operator BloombergLP::bslmf::NestedTraitDeclaration<CaselessStringViewEqualTo, is_trivially_default_constructible>`] 
| Declare that this type is trivially copyable.
|===



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