mirror of
https://github.com/golang/go
synced 2024-11-17 17:14:45 -07:00
35 lines
576 B
Go
35 lines
576 B
Go
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// run -gcflags=-G=3
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"fmt"
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"log"
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)
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func try[T any](v T, err error) T {
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if err != nil {
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panic(err)
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}
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return v
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}
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func handle(handle func(error)) {
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if issue := recover(); issue != nil {
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if e, ok := issue.(error); ok && e != nil {
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handle(e)
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} else {
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handle(fmt.Errorf("%v", e))
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}
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}
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}
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func main() {
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defer handle(func(e error) { log.Fatalln(e) })
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_ = try(fmt.Print(""))
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}
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