1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
// run
// 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.
// Test composite literals.
package main
type T struct {
i int
f float64
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")
}
}
}
func teq(t *T, n int) {
for i := 0; i < n; i++ {
if t == nil || t.i != i {
panic("bad")
}
t = t.next
}
if t != nil {
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}
tl := &T{i: 0, next: &T{i: 1, next: &T{i: 2, next: &T{i: 3, next: &T{i: 4}}}}}
teq(tl, 5)
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]float64{"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)})
eq([]*R{{0}, {1}, {2}, {3}, {4}, {5}})
p1 := NewP(1, 2)
p2 := NewP(1, 2)
if p1 == p2 {
panic("NewP")
}
}
|
