open val keys: Set<K>
Overrides Map.keys
Returns a read-only Set of all keys in this map.
Getter
Returns a read-only Set of all keys in this map.
© 2010–2017 JetBrains s.r.o.
Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-abstract-map/keys.html