[#BloombergLP-bslalg-operator_3way-04]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::operator<=>
:relfileprefix: ../../
:mrdocs:

Three‐way comparison operators

== Synopses

Declared in `<bslalg_dequeiterator.h>`

Perform a three‐way comparison between the specified `lhs` and `rhs` iterators. The behavior is undefined unless `lhs` and `rhs` are iterators over the same deque.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
auto
xref:BloombergLP/bslalg/operator_3way-0aa.adoc[operator<=>](
    xref:BloombergLP/bslalg/DequeIterator-0d.adoc[DequeIterator] const& lhs,
    xref:BloombergLP/bslalg/DequeIterator-0d.adoc[DequeIterator] const& rhs);
----

[.small]#xref:BloombergLP/bslalg/operator_3way-0aa.adoc[_» more..._]#

Return the result of comparing the block pointers of the specified `lhs` and `rhs` iterators.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
auto
xref:BloombergLP/bslalg/operator_3way-0a1.adoc[operator<=>](
    xref:BloombergLP/bslalg/DequeIterator-01.adoc[DequeIterator] const& lhs,
    xref:BloombergLP/bslalg/DequeIterator-01.adoc[DequeIterator] const& rhs);
----

[.small]#xref:BloombergLP/bslalg/operator_3way-0a1.adoc[_» more..._]#


[.small]#Created with https://www.mrdocs.com[MrDocs]#