stdlib
1.6
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
Common
stdlib
/
kotlin.collections
/
AbstractMap
/
containsKey
contains
Key
open
override
fun
containsKey
(
key
:
K
)
:
Boolean
(
source
)
Returns
true
if the map contains the specified
key
.
Since Kotlin
1.2