forked from golangci/golangci-lint
-
Notifications
You must be signed in to change notification settings - Fork 0
/
wastedassign.go
107 lines (95 loc) · 1.79 KB
/
wastedassign.go
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
//args: -Ewastedassign
package testdata
import (
"strings"
)
func p(x int) int {
return x + 1
}
func typeSwitchNoError(val interface{}, times uint) interface{} {
switch hoge := val.(type) {
case int:
return 12
case string:
return strings.Repeat(hoge, int(times))
default:
return nil
}
}
func noUseParamsNoError(params string) int {
a := 12
println(a)
return a
}
func manyif(param int) int {
println(param)
useOutOfIf := 1212121 // ERROR "wasted assignment"
ret := 0
if false {
useOutOfIf = 200 // ERROR "reassigned, but never used afterwards"
return 0
} else if param == 100 {
useOutOfIf = 100 // ERROR "wasted assignment"
useOutOfIf = 201
useOutOfIf = p(useOutOfIf)
useOutOfIf += 200 // ERROR "wasted assignment"
} else {
useOutOfIf = 100
useOutOfIf += 100
useOutOfIf = p(useOutOfIf)
useOutOfIf += 200 // ERROR "wasted assignment"
}
if false {
useOutOfIf = 200 // ERROR "reassigned, but never used afterwards"
return 0
} else if param == 200 {
useOutOfIf = 100 // ERROR "wasted assignment"
useOutOfIf = 201
useOutOfIf = p(useOutOfIf)
useOutOfIf += 200
} else {
useOutOfIf = 100
useOutOfIf += 100
useOutOfIf = p(useOutOfIf)
useOutOfIf += 200
}
println(useOutOfIf)
useOutOfIf = 192
useOutOfIf += 100
useOutOfIf += 200 // ERROR "reassigned, but never used afterwards"
return ret
}
func checkLoopTest() int {
hoge := 12
noUse := 1111
println(noUse)
noUse = 1111 // ERROR "reassigned, but never used afterwards"
for {
if hoge == 14 {
break
}
hoge = hoge + 1
}
return hoge
}
func infinity() {
var i int
var hoge int
for {
hoge = 5 // ERROR "reassigned, but never used afterwards"
}
println(i)
println(hoge)
return
}
func infinity2() {
var i int
var hoge int
for {
hoge = 5
break
}
println(i)
println(hoge)
return
}