| // run |
| |
| // Copyright 2025 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 |
| |
| func callRecover() { |
| if recover() != nil { |
| println("recovered") |
| } |
| } |
| |
| type T int |
| |
| func (*T) M() { callRecover() } |
| |
| type S struct{ *T } // has a wrapper (*S).M wrapping (*T.M) |
| |
| var p = &S{new(T)} |
| |
| var fn = (*S).M // using a function pointer to force using the wrapper |
| |
| func main() { |
| mustPanic(func() { |
| defer fn(p) |
| panic("XXX") |
| }) |
| } |
| |
| func mustPanic(f func()) { |
| defer func() { |
| r := recover() |
| if r == nil { |
| panic("didn't panic") |
| } |
| }() |
| f() |
| } |