| // 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) |
| } |
