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

tupleLeft

@JvmName("tupleLeft") fun <A, B> Kind<ForEval, A>.~~tupleLeft~~(arg1: B): Eval<Tuple2<B, A>> Deprecated: @extension kinded projected functions are deprecated

Pairs B with A returning a Kind<F, Tuple2<B, A>>

Kind<F, A> -> Kind<F, Tuple2<B, A>>

 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".just().tupleLeft("World")
  //sampleEnd
  println(result)
 }