kotlin-stdlib/kotlin.collections/AbstractMutableMap/keys

keys

expect open override val keys: MutableSet<K>(source)

Returns a MutableSet of all keys in this map.

Since Kotlin

1.3
actual open override val keys: MutableSet<K>(source)

Returns a read-only Set of all keys in this map.

Accessing this property first time creates a keys view from entries. All subsequent accesses just return the created instance.

Since Kotlin

1.1
actual open override val keys: MutableSet<K>(source)

Returns a read-only Set of all keys in this map.

Accessing this property first time creates a keys view from entries. All subsequent accesses just return the created instance.

Since Kotlin

1.3