gcc/testsuite/go.test/test/test0.go

   1 // $G $F.go && $L $F.$A && ./$A.out
   2
   3 // Copyright 2009 The Go Authors. All rights reserved.
   4 // Use of this source code is governed by a BSD-style
   5 // license that can be found in the LICENSE file.
   6
   7 package main
   8
   9 const
  10         a_const = 0
  11
  12 const (
  13         pi = /* the usual */ 3.14159265358979323
  14         e = 2.718281828
  15         mask1 int = 1 << iota
  16         mask2 = 1 << iota
  17         mask3 = 1 << iota
  18         mask4 = 1 << iota
  19 )
  20
  21 type (
  22         Empty interface {}
  23         Point struct {
  24                 x, y int
  25         }
  26         Point2 Point
  27 )
  28
  29 func (p *Point) Initialize(x, y int) *Point {
  30         p.x, p.y = x, y
  31         return p
  32 }
  33
  34 func (p *Point) Distance() int {
  35         return p.x * p.x + p.y * p.y
  36 }
  37
  38 var (
  39         x1 int
  40         x2 int
  41         u, v, w float
  42 )
  43
  44 func foo() {}
  45
  46 func min(x, y int) int {
  47         if x < y { return x; }
  48         return y
  49 }
  50
  51 func swap(x, y int) (u, v int) {
  52         u = y
  53         v = x
  54         return
  55 }
  56
  57 func control_structs() {
  58         var p *Point = new(Point).Initialize(2, 3)
  59         i := p.Distance()
  60         var f float = 0.3
  61         _ = f
  62         for {}
  63         for {}
  64         for j := 0; j < i; j++ {
  65                 if i == 0 {
  66                 } else i = 0
  67                 var x float
  68                 _ = x
  69         }
  70         foo:    // a label
  71         var j int
  72         switch y := 0; true {
  73         case i < y:
  74                 fallthrough
  75         case i < j:
  76         case i == 0, i == 1, i == j:
  77                 i++; i++
  78                 goto foo
  79         default:
  80                 i = -+-+i
  81                 break
  82         }
  83 }
  84
  85 func main() {
  86 }