// errchk $G $D/$F.go | |
// 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. | |
// issue 2089 - internal compiler error | |
package main | |
import ( | |
"io" | |
"os" | |
) | |
func echo(fd io.ReadWriterCloser) { // ERROR "undefined: io.ReadWriterCloser" | |
var buf [1024]byte | |
for { | |
n, err := fd.Read(buf) | |
if err != nil { | |
break | |
} | |
fd.Write(buf[0:n]) | |
} | |
} | |
func main() { | |
fd, _ := os.Open("a.txt") | |
echo(fd) | |
} |