[#BloombergLP-bslalg-ArrayPrimitives-rotate]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/ArrayPrimitives.adoc[ArrayPrimitives]::rotate
:relfileprefix: ../../../
:mrdocs:

Move the elements of the parameterized `TARGET_TYPE` in the array starting at the specified `first` address and ending immediately before the specified `middle` address to the array of the same length ending at the specified `last` address (and thus starting at the `last ‐ (middle ‐ first)` address), and move the elements previously in the array starting at `middle` and ending at `last` down to the `first` address. If the assignment operator throws an exception during this process, all of the elements in `[ first, last )]` will have unspecified, but valid, values. The behavior is undefined unless `first <= middle <= last`.

== Synopsis

Declared in `<bslalg_arrayprimitives.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TARGET_TYPE>
static
void
rotate(
    TARGET_TYPE* first,
    TARGET_TYPE* middle,
    TARGET_TYPE* last);
----


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