mirror of
https://github.com/golang/go
synced 2024-11-24 21:20:05 -07:00
35 lines
644 B
Go
35 lines
644 B
Go
|
// $G $D/$F.go && $L $F.$A && ./$A.out
|
||
|
|
|
||
|
|
// 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
|
||
|
|
|
||
|
|
var (
|
||
|
|
nf int
|
||
|
|
x, y, z = f(), f(), f()
|
||
|
|
m = map[string]string{"a":"A"}
|
||
|
|
a, aok = m["a"]
|
||
|
|
b, bok = m["b"]
|
||
|
|
)
|
||
|
|
|
||
|
|
func look(s string) (string, bool) {
|
||
|
|
x, ok := m[s]
|
||
|
|
return x, ok
|
||
|
|
}
|
||
|
|
|
||
|
|
func f() int {
|
||
|
|
nf++
|
||
|
|
return nf
|
||
|
|
}
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
if nf != 3 || x != 1 || y != 2 || z != 3 {
|
||
|
|
panic("nf=", nf, " x=", x, " y=", y)
|
||
|
|
}
|
||
|
|
if a != "A" || aok != true || b != "" || bok != false {
|
||
|
|
panic("a=", a, " aok=", aok, " b=", b, " bok=", bok)
|
||
|
|
}
|
||
|
|
}
|