reduce

Start with first element and then apply the current and next value to the given function, when upstream complete the current value is emitted downstream.

Simple operators

Signature

def reduce[T >: Out](f: (T, T) => T): Repr[T]

Description

Start with first element and then apply the current and next value to the given function, when upstream complete the current value is emitted downstream. Similar to fold.

emits when upstream completes

backpressures when downstream backpressures

completes when upstream completes

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