[#bsl-operator_3way-0d7]
= xref:bsl.adoc[bsl]::operator<=>
:relfileprefix: ../
:mrdocs:

Perform a lexicographic three‐way comparison of the specified `lhs` string and the specified `rhs` C‐string by using `CHAR_TRAITS::eq` on each character; return the result of that comparison.

== Synopsis

Declared in `<bslstl_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class CHAR_TYPE,
    class CHAR_TRAITS,
    class ALLOC>
xref:bsl/String_ComparisonCategoryType.adoc[bsl::String_ComparisonCategoryType<CHAR_TRAITS>]
operator<=>(
    xref:bsl/basic_string-0faf.adoc[basic_string<CHAR_TYPE, CHAR_TRAITS, ALLOC>] const& lhs,
    CHAR_TYPE const* rhs);
----


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