sum_uint32

Description:


public Collector<uint32,Object,G> sum_uint32<G> (owned MapFunc<uint32,G> mapper)

Returns a collector that produces the sum of the given function applied to the elements. If there are no elements, the result is 0.

The mapper function must not return null.

Parameters:

mapper

a mapping function

Returns:

the collector implementation


Namespace: Gpseq.Collectors
Package: gpseq-1.0