kotlin.collections.containsKey

containsKey

inline fun <K> Map<out K, *>.containsKey(key: K): Boolean

Returns true if the map contains the specified key.

Allows to overcome type-safety restriction of containsKey that requires to pass a key of type K.

© 2010–2017 JetBrains s.r.o.
Licensed under the Apache License, Version 2.0.
登录查看完整内容