[#BloombergLP-bdlcc-Deque-tryPushFront-0a2]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/Deque.adoc[Deque]::tryPushFront
:relfileprefix: ../../../
:mrdocs:

Push as many of the items in the specified range `[begin .. end)]` as there is space available for (see {`High‐Water Mark` Feature}) to the front of the container, stopping if the container high‐water mark is reached. Return the number of items pushed. Note that the pushed items will be in the container in the reverse of the order in which they occur in the range. Also note that the items in the range are treated as `const` objects, copied without being modified.

== Synopsis

Declared in `<bdlcc_deque.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class INPUT_ITER>
xref:BloombergLP/bdlcc/Deque/size_type.adoc[Deque<TYPE>::size_type]
tryPushFront(
    INPUT_ITER begin,
    INPUT_ITER end);
----


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