go/doc/progs/helloworld3.go
Rob Pike 40d5435278 update tutorial to new language.
add a section on printing
add a section on allocation

R=rsc
DELTA=500  (278 added, 15 deleted, 207 changed)
OCL=22381
CL=22456
2009-01-09 15:16:31 -08:00

18 lines
457 B
Go

// Copyright 2009 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 fd "fd"
func main() {
hello := []byte{'h', 'e', 'l', 'l', 'o', ',', ' ', 'w', 'o', 'r', 'l', 'd', '\n'};
fd.Stdout.Write(hello);
file, err := fd.Open("/does/not/exist", 0, 0);
if file == nil {
print("can't open file; err=", err.String(), "\n");
sys.exit(1);
}
}