map
Returns a sequence containing the results of applying the given transform function to each element in the original sequence.
The operation is intermediate and stateless.
Since Kotlin
1.0Samples
import kotlin.test.*
fun main() {
//sampleStart
val numbers = listOf(1, 2, 3)
println(numbers.map { it * it }) // [1, 4, 9]
//sampleEnd
}