[#bsl-deque-0c-resize-01]
= xref:bsl.adoc[bsl]::xref:bsl/deque-0c.adoc[deque]::resize
:relfileprefix: ../../
:mrdocs:

Change this deque's size to `newSize`, using `value` for new elements.

== 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,
    VALUE_TYPE const& value);
----

== Description

Change the size of this deque to the specified `newSize`, inserting `newSize ‐ size()` copies of the specified `value` at the back if `newSize > size()`. If `newSize < size()`, the elements at the back are erased, `value` is ignored, and this method does not throw. If `newSize > size()` and an exception is thrown, `*this` is unaffected. Throw `bsl::length_error` if `newSize > max_size()`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *newSize*
| desired number of elements
| *value*
| value used when appending new elements
|===


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