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
|
// $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
type S string
type S1 string
type I int
type I1 int
type T struct {
x int
}
type T1 T
func (s S) val() int { return 1 }
func (s *S1) val() int { return 2 }
func (i I) val() int { return 3 }
func (i *I1) val() int { return 4 }
//func (t T) val() int { return 7 }
func (t *T1) val() int { return 8 }
type Val interface {
val() int
}
func val(v Val) int { return v.val() }
func main() {
var s S
var ps *S1
var i I
var pi *I1
var pt *T1
if s.val() != 1 {
println("s.val:", s.val())
panic("fail")
}
if S.val(s) != 1 {
println("S.val(s):", S.val(s))
panic("fail")
}
if (*S).val(&s) != 1 {
println("(*S).val(s):", (*S).val(&s))
panic("fail")
}
if ps.val() != 2 {
println("ps.val:", ps.val())
panic("fail")
}
if (*S1).val(ps) != 2 {
println("(*S1).val(ps):", (*S1).val(ps))
panic("fail")
}
if i.val() != 3 {
println("i.val:", i.val())
panic("fail")
}
if I.val(i) != 3 {
println("I.val(i):", I.val(i))
panic("fail")
}
if (*I).val(&i) != 3 {
println("(*I).val(&i):", (*I).val(&i))
panic("fail")
}
if pi.val() != 4 {
println("pi.val:", pi.val())
panic("fail")
}
if (*I1).val(pi) != 4 {
println("(*I1).val(pi):", (*I1).val(pi))
panic("fail")
}
// if t.val() != 7 { prinln("t.val:", t.val()); panic("fail") }
if pt.val() != 8 {
println("pt.val:", pt.val())
panic("fail")
}
if (*T1).val(pt) != 8 {
println("(*T1).val(pt):", (*T1).val(pt))
panic("fail")
}
if val(s) != 1 {
println("s.val:", val(s))
panic("fail")
}
if val(ps) != 2 {
println("ps.val:", val(ps))
panic("fail")
}
if val(i) != 3 {
println("i.val:", val(i))
panic("fail")
}
if val(pi) != 4 {
println("pi.val:", val(pi))
panic("fail")
}
// if val(t) != 7 { println("t.val:", val(t)); panic("fail") }
if val(pt) != 8 {
println("pt.val:", val(pt))
panic("fail")
}
// if Val.val(i) != 3 { println("Val.val(i):", Val.val(i)); panic("fail") }
}
|
