| // run | |
| // Copyright 2022 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 | |
| import ( | |
| "fmt" | |
| "strings" | |
| ) | |
| type I interface{ M() } | |
| func F[P I](p P) { defer catch(); p.M() } | |
| func G[T any]() { defer catch(); interface{ M() T }.M(nil) } | |
| func main() { | |
| F[I](nil) | |
| G[int]() | |
| } | |
| func catch() { | |
| err := recover() | |
| if err, ok := err.(error); ok && strings.Contains(err.Error(), "nil pointer dereference") { | |
| return | |
| } | |
| fmt.Println("FAIL", err) | |
| } |