[#operator_3way-056]
= operator<=>
:mrdocs:

Comparison between two deques, implementing lexicographic ordering on the contents.

== Synopsis

Declared in `<util/vecdeque.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::strong_ordering
operator<=>(
    xref:VecDeque.adoc[VecDeque] const& a,
    xref:VecDeque.adoc[VecDeque] const& b);
----

== Return Value

The ordering of a relative to b, comparing elements in order then size.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| The first deque to compare.
| *b*
| The second deque to compare.
|===


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