arrow-core-data / arrow.core / Ior / lift

lift

@JvmStatic fun <A, B, C> lift(f: (B) -> C): (Ior<A, B>) -> Ior<A, C>

Lifts a function (B) -> C to the Ior structure returning a polymorphic function that can be applied over all Ior values in the shape of Ior<A, B>

import arrow.core.*

fun main(args: Array<String>) {
 //sampleStart
 val f = Ior.lift<Int, CharSequence, String> { s: CharSequence -> "$s World" }
 val ior: Ior<Int, CharSequence> = Ior.Right("Hello")
 val result = f(ior)
 //sampleEnd
 println(result)
}

@JvmStatic fun <A, B, C, D> lift(fa: (A) -> C, fb: (B) -> D): (Ior<A, B>) -> Ior<C, D>