CODEWITHSUNDEEP
genericskotlinextension-methods
Julian A.
Julian A.

Reputation: 11450

Derive function reference from a generic extension function/method in Kotlin

Is there a way to get a function reference to a generic extension function/method in Kotlin?

class C
fun <T> C.f1(t: T) = TODO()
val f1Ref1 = C::f1<T> // Compiler error
val f1Ref2 = C::f1 // Compiler error

But this is fine:

fun C.f2(i: Int) = TODO()
val f2Ref = C::f2

Upvotes: 3

Views: 208

Answers (1)

IR42
IR42

Reputation: 9682

You must specify the type explicitly

val f1Ref1: C.(Int) -> Unit = C::f1

Upvotes: 5

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