contains
@DeprecatedSinceKotlin("1.4", "1.6", "1.7") operator fun FloatArray.contains(
element: Float
): Boolean
(source)
@DeprecatedSinceKotlin("1.4", "1.6", "1.7") operator fun DoubleArray.contains(
element: Double
): Boolean
(source)
Returns true
if element is found in the array.
Returns true
if element is found in the collection.
Checks if the map contains the given key.
This method allows to use the x in map
syntax for checking whether an object is contained in the map.
import kotlin.test.*
import java.util.*
fun main(args: Array<String>) {
//sampleStart
val map: Map<String, Int> = mapOf("x" to 1)
println("map.contains(\"x\") is ${map.contains("x")}") // true
println("\"x\" in map is ${"x" in map}") // true
println("map.contains(\"y\") is ${map.contains("y")}") // false
println("\"y\" in map is ${"y" in map}") // false
//sampleEnd
}