import scala.language.implicitConversions object Test extends dotty.runtime.LegacyApp { class ArrowAssocClass[A](val __leftOfArrow: A) extends AnyVal { @inline def -> [B](y: B): Tuple2[A, B] = Tuple2(__leftOfArrow, y) def →[B](y: B): Tuple2[A, B] = ->(y) } { @inline implicit def ArrowAssoc[A](x: A): ArrowAssocClass[A] = new ArrowAssocClass(x) val x = 1 -> "abc" println(x) } { val y = 2 -> "def" println(y) } }