mirror of
https://github.com/golang/go
synced 2024-11-24 10:30:10 -07:00
5b7562dd6f
cgo[1-4].go, go1.go couldn't be tested now (cgo[1-4].go can only be tested when cgo is enabled, go1.go contain a list of filenames in the current directory) R=golang-dev, alex.brainman, rsc CC=golang-dev https://golang.org/cl/6218048
67 lines
871 B
Go
67 lines
871 B
Go
// cmpout
|
|
|
|
// Copyright 2011 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.
|
|
|
|
// This file contains the code snippets included in "Defer, Panic, and Recover."
|
|
|
|
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
)
|
|
|
|
func a() {
|
|
i := 0
|
|
defer fmt.Println(i)
|
|
i++
|
|
return
|
|
}
|
|
|
|
// STOP OMIT
|
|
|
|
func b() {
|
|
for i := 0; i < 4; i++ {
|
|
defer fmt.Print(i)
|
|
}
|
|
}
|
|
|
|
// STOP OMIT
|
|
|
|
func c() (i int) {
|
|
defer func() { i++ }()
|
|
return 1
|
|
}
|
|
|
|
// STOP OMIT
|
|
|
|
// Initial version.
|
|
func CopyFile(dstName, srcName string) (written int64, err error) {
|
|
src, err := os.Open(srcName)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
dst, err := os.Create(dstName)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
written, err = io.Copy(dst, src)
|
|
dst.Close()
|
|
src.Close()
|
|
return
|
|
}
|
|
|
|
// STOP OMIT
|
|
|
|
func main() {
|
|
a()
|
|
b()
|
|
fmt.Println()
|
|
fmt.Println(c())
|
|
}
|