[#bsl-deque-0c-resize-02]
= xref:bsl.adoc[bsl]::xref:bsl/deque-0c.adoc[deque]::resize
:relfileprefix: ../../
:mrdocs:

Change the size of this deque to the specified `newSize`. Erase `size() ‐ newSize` elements at the back if `newSize < size()`. Append `newSize ‐ size()` elements at the back having the optionally specified `value` if `newSize > size()`; if `value` is not specified, value‐initialized objects of the (template parameter) `VALUE_TYPE` are emplaced. This method has no effect if `newSize == size()`. Throw `bsl::length_error` if `newSize > max_size()`.

== Synopsis

Declared in `<bslstl_deque.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
resize(xref:bsl/deque-0c/size_type.adoc[size_type] newSize);
----


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