[#bsl-Deque_BlockCreator-insertAtFront]
= xref:bsl.adoc[bsl]::xref:bsl/Deque_BlockCreator.adoc[Deque_BlockCreator]::insertAtFront
:relfileprefix: ../../
:mrdocs:

Allocate the specified `n` blocks at the front of the block array. This method invalidates all iterators except `d_deque_p‐>d_start` and `d_deque_p‐>d_finish`.

== Synopsis

Declared in `<bslstl_deque.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
insertAtFront(xref:bsl/Deque_BlockCreator.adoc[size_type] n);
----


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