blob: 1aac726327b28265af426a838d801fe15ed1ab6d (
plain)
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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
// Copyright 2012 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.
// unary expressions
package expr0
type mybool bool
var (
// bool
b0 = true
b1 bool = b0
b2 = !true
b3 = !b1
b4 bool = !true
b5 bool = !b4
b6 = +b0 /* ERROR "not defined" */
b7 = -b0 /* ERROR "not defined" */
b8 = ^b0 /* ERROR "not defined" */
b9 = *b0 /* ERROR "cannot indirect" */
b10 = &true /* ERROR "cannot take address" */
b11 = &b0
b12 = <-b0 /* ERROR "cannot receive" */
b13 = & & /* ERROR "cannot take address" */ b0
// byte
_ = byte(0)
_ = byte(- /* ERROR "cannot convert" */ 1)
_ = - /* ERROR "-byte\(1\) \(constant -1 of type byte\) overflows byte" */ byte(1) // test for issue 11367
_ = byte /* ERROR "overflows byte" */ (0) - byte(1)
// int
i0 = 1
i1 int = i0
i2 = +1
i3 = +i0
i4 int = +1
i5 int = +i4
i6 = -1
i7 = -i0
i8 int = -1
i9 int = -i4
i10 = !i0 /* ERROR "not defined" */
i11 = ^1
i12 = ^i0
i13 int = ^1
i14 int = ^i4
i15 = *i0 /* ERROR "cannot indirect" */
i16 = &i0
i17 = *i16
i18 = <-i16 /* ERROR "cannot receive" */
// uint
u0 = uint(1)
u1 uint = u0
u2 = +1
u3 = +u0
u4 uint = +1
u5 uint = +u4
u6 = -1
u7 = -u0
u8 uint = - /* ERROR "overflows" */ 1
u9 uint = -u4
u10 = !u0 /* ERROR "not defined" */
u11 = ^1
u12 = ^i0
u13 uint = ^ /* ERROR "overflows" */ 1
u14 uint = ^u4
u15 = *u0 /* ERROR "cannot indirect" */
u16 = &u0
u17 = *u16
u18 = <-u16 /* ERROR "cannot receive" */
u19 = ^uint(0)
// float64
f0 = float64(1)
f1 float64 = f0
f2 = +1
f3 = +f0
f4 float64 = +1
f5 float64 = +f4
f6 = -1
f7 = -f0
f8 float64 = -1
f9 float64 = -f4
f10 = !f0 /* ERROR "not defined" */
f11 = ^1
f12 = ^i0
f13 float64 = ^1
f14 float64 = ^f4 /* ERROR "not defined" */
f15 = *f0 /* ERROR "cannot indirect" */
f16 = &f0
f17 = *u16
f18 = <-u16 /* ERROR "cannot receive" */
// complex128
c0 = complex128(1)
c1 complex128 = c0
c2 = +1
c3 = +c0
c4 complex128 = +1
c5 complex128 = +c4
c6 = -1
c7 = -c0
c8 complex128 = -1
c9 complex128 = -c4
c10 = !c0 /* ERROR "not defined" */
c11 = ^1
c12 = ^i0
c13 complex128 = ^1
c14 complex128 = ^c4 /* ERROR "not defined" */
c15 = *c0 /* ERROR "cannot indirect" */
c16 = &c0
c17 = *u16
c18 = <-u16 /* ERROR "cannot receive" */
// string
s0 = "foo"
s1 = +"foo" /* ERROR "not defined" */
s2 = -s0 /* ERROR "not defined" */
s3 = !s0 /* ERROR "not defined" */
s4 = ^s0 /* ERROR "not defined" */
s5 = *s4
s6 = &s4
s7 = *s6
s8 = <-s7
// channel
ch chan int
rc <-chan float64
sc chan <- string
ch0 = +ch /* ERROR "not defined" */
ch1 = -ch /* ERROR "not defined" */
ch2 = !ch /* ERROR "not defined" */
ch3 = ^ch /* ERROR "not defined" */
ch4 = *ch /* ERROR "cannot indirect" */
ch5 = &ch
ch6 = *ch5
ch7 = <-ch
ch8 = <-rc
ch9 = <-sc /* ERROR "cannot receive" */
ch10, ok = <-ch
// ok is of type bool
ch11, myok = <-ch
_ mybool = myok /* ERROR "cannot use .* in variable declaration" */
)
// address of composite literals
type T struct{x, y int}
func f() T { return T{} }
var (
_ = &T{1, 2}
_ = &[...]int{}
_ = &[]int{}
_ = &[]int{}
_ = &map[string]T{}
_ = &(T{1, 2})
_ = &((((T{1, 2}))))
_ = &f /* ERROR "cannot take address" */ ()
)
// recursive pointer types
type P *P
var (
p1 P = new(P)
p2 P = *p1
p3 P = &p2
)
func g() (a, b int) { return }
func _() {
_ = -g /* ERROR 2-valued g */ ()
_ = <-g /* ERROR 2-valued g */ ()
}
|
