RefFactory

interface ~~RefFactory~~<F> Deprecated: The IO datatype and it’s related type classes will disappear in Arrow 0.13.0. All useful operations are offered directly over suspend functions by Arrow Fx Coroutines. https://arrow-kt.io/docs/fx/async/

Builds a Ref value for data types F without deciding the type of the Ref’s value.

import arrow.fx.*
import arrow.fx.extensions.io.monadDefer.monadDefer

fun main(args: Array<String>) {
  //sampleStart
  val refFactory: RefFactory<ForIO> = Ref.factory(IO.monadDefer())
  val intVar: IOOf<Ref<ForIO, Int>> = refFactory.just(5)
  val stringVar: IOOf<Ref<ForIO, String>> = refFactory.just("Hello")
  //sampleEnd
}

Functions

just	Builds a MVar with a value of type A.`abstract fun <A> just(a: A): Kind<F,` `Ref<F, A>>`