BloombergLP::bdlat::ArrayUtil::manipulateElementByCategory

Invoke a categorized manipulator on an element of the specified array.

Synopsis

Declared in <bdlat_arrayutil.h>

template<
    class TYPE,
    class MANIPULATOR>
static
int
manipulateElementByCategory(
    TYPE* array,
    MANIPULATOR& manipulator,
    int index);

Description

Invoke the specified manipulator on the address of the element at the specified index of the specified array and on a prvalue of the category tag type for the dynamic category of the element. See {`bdlat_typecategory`|Category Tags and Enumerators} for documentation about category tags. Return the value from the invocation of manipulator. The manipulator must be a manipulator functor. See {`bdlat_typecategory`|`MANIPULATOR` Functors} for the requirements on manipulator. The behavior is undefined unless 0 <= index < bdlat_ArrayFunctions::size(array).

Return Value

value from the invocation of manipulator

Parameters

Name

Description

array

array whose element is manipulated

manipulator

functor applied to the element with a category tag

index

zero‐based index of the element

Created with MrDocs