[#bsl-operator_3way-037]
= xref:bsl.adoc[bsl]::operator<=>
:relfileprefix: ../
:mrdocs:

Perform a three‐way comparison of the specified `lhs` and `rhs` vectors and return the result of that comparison.

== Synopsis

Declared in `<bslstl_vector.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bslalg/SynthThreeWayUtil/Result.adoc[BloombergLP::bslalg::SynthThreeWayUtil::Result<Impl>]
operator<=>(
    xref:bsl/vector-086.adoc[vector] const& lhs,
    xref:bsl/vector-086.adoc[vector] const& rhs);
----

== Return Value

result of the lexicographic three‐way comparison

== Parameters

[cols="1,4"]
|===
| Name| Description
| *lhs*
| left‐hand operand
| *rhs*
| right‐hand operand
|===


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