toCollection
@ExperimentalStdlibApi fun <T : Any, C : MutableCollection<in T>> Optional<T>.toCollection(
destination: C
): C
(source)
Appends this Optional's value to the given destination collection if present.
@ExperimentalStdlibApi fun <T : Any, C : MutableCollection<in T>> Optional<T>.toCollection(
destination: C
): C
Appends this Optional's value to the given destination collection if present.