[#SpanPopBack]
= SpanPopBack
:mrdocs:

Pop the last element off a span, and return a reference to that element.

== Synopsis

Declared in `<span.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
T&
SpanPopBack(std::span<T>& span);
----

== Return Value

A reference to the element that was last before the call.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *span*
| The span to shrink; on return it refers to one fewer element.
|===


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