Package org.apache.tapestry5.func

Interface Reducer<A,​T>

  • Type Parameters:
    A - type of accumulator
    T - type of collection value
    public interface Reducer<A,​T>
    A reducer takes an accumulator value and a single value from a collection and computes a new accumulator value.
    Since:
    5.2.0

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      A reduce​(A accumulator, T element)
      Run a computation using the current value of the accumulator and an element (from a Flow), and return the new accumulator.

    • Method Detail

      • reduce

        A reduce​(A accumulator,
         T element)
        Run a computation using the current value of the accumulator and an element (from a Flow), and return the new accumulator.