| // run | |
| // Copyright 2020 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. | |
| // Issue 39625. | |
| package main | |
| import "io/ioutil" | |
| func F[T1, T2 any](f func(T1) (T2, error)) {} | |
| func main() { | |
| F(ioutil.ReadAll) | |
| } |