|  | // $G $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 | 
|  |  | 
|  | type T struct { i int; f float; s string; next *T } | 
|  |  | 
|  | type R struct { num int } | 
|  |  | 
|  | func itor(a int) *R { | 
|  | r := new(R); | 
|  | r.num = a; | 
|  | return r; | 
|  | } | 
|  |  | 
|  | func eq(a []*R) { | 
|  | for i := 0; i < len(a); i++ { | 
|  | if a[i].num != i { panic("bad") } | 
|  | } | 
|  | } | 
|  |  | 
|  | type P struct { a, b int }; | 
|  | func NewP(a, b int) *P { | 
|  | return &P{a, b} | 
|  | } | 
|  |  | 
|  | func main() { | 
|  | var t T; | 
|  | t = T{0, 7.2, "hi", &t}; | 
|  |  | 
|  | var tp *T; | 
|  | tp = &T{0, 7.2, "hi", &t}; | 
|  |  | 
|  | a1 := []int{1,2,3}; | 
|  | if len(a1) != 3 { panic("a1") } | 
|  | a2 := [10]int{1,2,3}; | 
|  | if len(a2) != 10 || cap(a2) != 10 { panic("a2") } | 
|  |  | 
|  | a3 := [10]int{1,2,3,}; | 
|  | if len(a3) != 10 || a2[3] != 0 { panic("a3") } | 
|  |  | 
|  | var oai []int; | 
|  | oai = []int{1,2,3}; | 
|  | if len(oai) != 3 { panic("oai") } | 
|  |  | 
|  | at := [...]*T{&t, tp, &t}; | 
|  | if len(at) != 3 { panic("at") } | 
|  |  | 
|  | c := make(chan int); | 
|  | ac := []chan int{c, c, c}; | 
|  | if len(ac) != 3 { panic("ac") } | 
|  |  | 
|  | aat := [][len(at)]*T{at, at}; | 
|  | if len(aat) != 2 || len(aat[1]) != 3 { panic("aat") } | 
|  |  | 
|  | s := string([]byte{'h', 'e', 'l', 'l', 'o'}); | 
|  | if s != "hello" { panic("s") } | 
|  |  | 
|  | m := map[string]float{"one":1.0, "two":2.0, "pi":22./7.}; | 
|  | if len(m) != 3 { panic("m") } | 
|  |  | 
|  | eq([]*R{itor(0), itor(1), itor(2), itor(3), itor(4), itor(5)}); | 
|  |  | 
|  | p1 := NewP(1, 2); | 
|  | p2 := NewP(1, 2); | 
|  | if p1 == p2 { panic("NewP") } | 
|  | } |