| // $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 { |
| println("nf=", nf, " x=", x, " y=", y) |
| panic("fail") |
| } |
| if a != "A" || aok != true || b != "" || bok != false { |
| println("a=", a, " aok=", aok, " b=", b, " bok=", bok) |
| panic("fail") |
| } |
| } |
