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

Return `true` if the specified `lhs` string is lexicographically ordered before the specified `rhs` string, and `false` otherwise.

== Synopsis

Declared in `<bdlb_cstringless.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
operator()(
    char const* lhs,
    char const* rhs) const;
----

== Description

The behavior is undefined unless both `lhs` and `rhs` point to null‐terminated strings.

== Return Value

`true` if `lhs` is lexicographically less than `rhs`, and `false` otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *lhs*
| left‐hand null‐terminated string to compare
| *rhs*
| right‐hand null‐terminated string to compare
|===


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