// run // Copyright 2021 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main type myifacer[T any] interface{ do(T) error } type stuff[T any] struct{} func (s stuff[T]) run() interface{} { var i myifacer[T] return i } func main() { stuff[int]{}.run() }