arrow-core / arrow.core.extensions.tuple2.functor / arrow.Kind / mapConst

mapConst

@JvmName("mapConst") fun <F, A, B> Kind<Kind<ForTuple2, F>, A>.~~mapConst~~(arg1: B): Tuple2<F, 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.tuple2.functor.*
import arrow.core.*


 import arrow.core.extensions.tuple2.applicative.just
import arrow.core.extensions.monoid

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