kotlin-stdlib / kotlin.coroutines / CoroutineContext / Element

Element

Common
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1.0
interface Element : CoroutineContext
(source)

An element of the CoroutineContext. An element of the coroutine context is a singleton context by itself.

Properties

Common
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1.0

key

A key of this coroutine context element.

abstract val key: Key<*>

Functions

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1.0

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.

open fun <R> fold(
    initial: R,
    operation: (R, Element) -> R
): R
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get

Returns the element with the given key from this context or null.

open operator fun <E : Element> get(key: Key<E>): E?
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1.0

minusKey

Returns a context containing elements from this context, but without an element with the specified key.

open fun minusKey(key: Key<*>): CoroutineContext