ReduceHelper
scala
Reduction
scala
reduce
AccumulatingReducer
CacheAffinityPipe
EmptyPipe
FlatMapCacheAffinityPipe
FlatMapValuePipe
IgnitePipe
IterablePipe
MergedPipe
TransformValuePipe
reduceOption
ComputeRunner
reduceOptionCall
ComputeRunner
right
MergedPipe
MergedReduction