open operator fun plus( context: CoroutineContext ): CoroutineContext
Returns a context containing elements from this context and elements from other context. The elements from this context with the same key as in the other one are dropped.
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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.coroutines.experimental/-coroutine-context/plus.html