[#BloombergLP-bdlcc-Deque-tryPopFront-0a]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/Deque.adoc[Deque]::tryPopFront
:relfileprefix: ../../../
:mrdocs:

Remove up to `maxNumItems` from the front without blocking.

== Synopsis

Declared in `<bdlcc_deque.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
tryPopFront(xref:BloombergLP/bdlcc/Deque/size_type.adoc[size_type] maxNumItems);
----

== Description

Remove up to the specified `maxNumItems` from the front of this container. Note that to transfer the entire contents of a `Deque` `d` to a vector `v`, use `d.removeAll(&v);`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *maxNumItems*
| maximum number of items to remove
|===


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