open fun <R> fold( initial: R, operation: (R, Element) -> R ): R
Overrides CoroutineContext.fold
Accumulates entries of this context starting with initial value and applying operation from left to right to current accumulator value and each element of this context.
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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.coroutines.experimental/-abstract-coroutine-context-element/fold.html