kotlin.collections.orEmpty

inline fun <T> Set<T>?.orEmpty(): Set<T>

Returns this Set if it's not null and the empty set otherwise.

inline fun <reified T> Array<out T>?.orEmpty(): Array<out T>

Returns the array if it's not null, or an empty array otherwise.

inline fun <K, V> Map<K, V>?.orEmpty(): Map<K, V>

Returns the Map if its