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

mapConst

@JvmName("mapConst") fun <X, A, B> Kind<Kind<ForAndThen, X>, A>.~~mapConst~~(arg1: B): AndThen<X, B> Deprecated: AndThen is deprecated in favor of the function andThen used to provide stack safe function composition.

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.andthen.functor.*
import arrow.core.*


 import arrow.core.extensions.andthen.applicative.just

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