[#BloombergLP-bdlat_ArrayFunctions-manipulateElement]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlat_ArrayFunctions.adoc[bdlat_ArrayFunctions]::manipulateElement
:relfileprefix: ../../
:mrdocs:

` Return the value from the invocation of `manipulator`. The behavior is undefined unless `0 <= index` and `index < size(*array)`.

== Synopsis

Declared in `<bdlat_arrayfunctions.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class TYPE,
    class MANIPULATOR>
int
manipulateElement(
    TYPE* array,
    MANIPULATOR& manipulator,
    int index);
----

== Return Value

result of invoking `manipulator`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *array*
| array whose element is manipulated
| *manipulator*
| functor applied to the element at `index`
| *index*
| position of the element to manipulate
|===


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