Is either the implementation or the documentation wrong for

Map<K, V>.getOrElse

? on ie.

mapOf("1" to null).getOrElse("1") { error("missing") }

Will throw an error yet

containsKey("1")

return

true

. The docs says: ... or the result of the [defaultValue] function if there was no entry for the given key. There is an internal

getOrElseNullable

that would fix it but I assume it was not chosen for a reason