mirror of
https://github.com/golang/go
synced 2024-11-26 22:51:23 -07:00
e24977d231
The next CL will remove the -G flag, effectively hard-coding it to its current default (-G=3). Change-Id: Ib4743b529206928f9f1cca9fdb19989728327831 Reviewed-on: https://go-review.googlesource.com/c/go/+/388534 Reviewed-by: Keith Randall <khr@golang.org> Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
35 lines
562 B
Go
35 lines
562 B
Go
// 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(""))
|
|
}
|