getPolymorphicElement

Common
JVM
JS
Native
1.3
@ExperimentalStdlibApi fun < E : Element > Element . getPolymorphicElement (
key : Key < E >
) : E ?

(source)

Returns the current element if it is associated with the given key in a polymorphic manner or null otherwise. This method returns non-null value if either Element.key is equal to the given key or if the key is associated with Element.key via AbstractCoroutineContextKey . See AbstractCoroutineContextKey for the example of usage.