< okkero> commented on < pakoito> s file <https kotlinlang s kotlinlang #language-proposals

<@U2W6BJ91R> commented on <@U0B8UEMV1>’s file <htt...

user

03/01/2017, 11:44 AM

@okkero commented on @pakoito’s file https://kotlinlang.slack.com/files/U0B8UEMV1/F4CF6QM2A/-.txt: Are the type parameters for

Either

covariant? If that's the case then you could do this:

Copy code

fun <T> T.left(): Either<T, Nothing> {
    return Either.Left(this)
}