mirror of
https://github.com/golang/go
synced 2024-11-26 17:26:56 -07:00
70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
// $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,}; // BUG: trailing commas not allowed
|
|
//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, &t, &t};
|
|
if len(at) != 3 { panic("at") }
|
|
|
|
c := new(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("at") }
|
|
|
|
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") }
|
|
}
|