| // 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 | |
| import ( | |
| "fmt" | |
| "log" | |
| ) | |
| func try[T any](v T, err error) T { | |
| if err != nil { | |
| panic(err) | |
| } | |
| return v | |
| } | |
| func handle(handle func(error)) { | |
| if issue := recover(); issue != nil { | |
| if e, ok := issue.(error); ok && e != nil { | |
| handle(e) | |
| } else { | |
| handle(fmt.Errorf("%v", e)) | |
| } | |
| } | |
| } | |
| func main() { | |
| defer handle(func(e error) { log.Fatalln(e) }) | |
| _ = try(fmt.Print("")) | |
| } |