sortedBy

Common
JVM
JS
Native
1.0
inline fun < T , R : Comparable < R > > Array < out T > . sortedBy (
crossinline selector : ( T ) -> R ?
) : List < T >

(source)
inline fun < T , R : Comparable < R > > Iterable < T > . sortedBy (
crossinline selector : ( T ) -> R ?
) : List < T >

(source)

Returns a list of all elements sorted according to natural sort order of the value returned by specified selector function.

The sort is stable . It means that equal elements preserve their order relative to each other after sorting.

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val list = listOf("aaa", "cc", "bbbb")
val sorted = list.sortedBy { it.length }

println(list) // [aaa, cc, bbbb]
println(sorted) // [cc, aaa, bbbb]
//sampleEnd
}
Common
JVM
JS
Native
1.0
inline fun < R : Comparable < R > > ByteArray . sortedBy (
crossinline selector : ( Byte ) -> R ?
) : List < Byte >

(source)
inline fun < R : Comparable < R > > ShortArray . sortedBy (
crossinline selector : ( Short ) -> R ?
) : List < Short >

(source)
inline fun < R : Comparable < R > > IntArray . sortedBy (
crossinline selector : ( Int ) -> R ?
) : List < Int >

(source)
inline fun < R : Comparable < R > > LongArray . sortedBy (
crossinline selector : ( Long ) -> R ?
) : List < Long >

(source)
inline fun < R : Comparable < R > > FloatArray . sortedBy (
crossinline selector : ( Float ) -> R ?
) : List < Float >

(source)
inline fun < R : Comparable < R > > DoubleArray . sortedBy (
crossinline selector : ( Double ) -> R ?
) : List < Double >

(source)
inline fun < R : Comparable < R > > BooleanArray . sortedBy (
crossinline selector : ( Boolean ) -> R ?
) : List < Boolean >

(source)
inline fun < R : Comparable < R > > CharArray . sortedBy (
crossinline selector : ( Char ) -> R ?
) : List < Char >

(source)

Returns a list of all elements sorted according to natural sort order of the value returned by specified selector function.

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val list = listOf("aaa", "cc", "bbbb")
val sorted = list.sortedBy { it.length }

println(list) // [aaa, cc, bbbb]
println(sorted) // [cc, aaa, bbbb]
//sampleEnd
}