arrow-core / arrow.core.extensions.listk.functor / arrow.Kind / map

map

@JvmName("map") fun <A, B> Kind<ForListK, A>.~~map~~(arg1: (A) -> B): ListK<B> Deprecated: @extension projected functions are deprecated

Transform the F wrapped value A into B preserving the F structure Kind<F, A> -> Kind<F, B>

 import arrow.core.*
import arrow.core.extensions.listk.functor.*
import arrow.core.*


 import arrow.core.extensions.listk.applicative.just

 fun main(args: Array<String>) {
  val result =
  //sampleStart
  "Hello".just().map({ "$it World" })
  //sampleEnd
  println(result)
 }