arrow-core / arrow.core.extensions.eval.functor / arrow.Kind / mapConst

mapConst

@JvmName("mapConst") fun <A, B> Kind<ForEval, A>.~~mapConst~~(arg1: B): Eval<B> Deprecated: @extension kinded projected functions are deprecated

Replaces A inside F with B resulting in a Kind<F, B>

Kind<F, A> -> Kind<F, B>

 import arrow.core.*
import arrow.core.extensions.eval.functor.*
import arrow.core.*


 import arrow.core.extensions.eval.applicative.just

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