kotlin map list
val numbers = setOf(1, 2, 3)
println(numbers.map { it * 3 }) // [3, 6, 9]kotlin map list
val numbers = setOf(1, 2, 3)
println(numbers.map { it * 3 }) // [3, 6, 9]create a map from list kotlin
fun main() {
val numbers = listOf("one", "two", "three", "four")
println(numbers.associateBy { it.first().toUpperCase() })
println(numbers.associateBy(keySelector = { it.first().toUpperCase() }, valueTransform = { it.length }))
}Copyright © 2021 Codeinu
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