This repository has been archived by the owner on Jul 3, 2023. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 0
/
func.go
128 lines (104 loc) · 1.76 KB
/
func.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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
package assert
import (
"reflect"
"time"
)
func If(b bool, t, f interface{}) interface{} {
if b {
if _t, ok := t.(FnT); ok {
return _t()[0].Interface()
}
return t
}
if _f, ok := f.(FnT); ok {
return _f()[0].Interface()
}
return f
}
func IsAllNil(args ...interface{}) bool {
for _, _a := range args {
if !IsNil(_a) {
return false
}
}
return true
}
func IsAllNotNil(args ...interface{}) bool {
for _, _a := range args {
if IsNil(_a) {
return false
}
}
return true
}
func IfEquals(args ...interface{}) bool {
if len(args) < 2 {
return true
}
if IsAllNil(args...) {
return true
}
_t := args[0]
if IsNil(_t) {
return false
}
for _, _a := range args[1:] {
if IsNil(_t) {
return false
}
if _t != _a {
return false
}
}
return true
}
func IfIn(a interface{}, args ...interface{}) bool {
if IsNil(a) == !IsAllNotNil(args...) {
return true
}
if IsNil(a) {
return false
}
_a := reflect.TypeOf(a).Kind()
for _, arg := range args {
if IsNil(arg) {
return false
}
if _a == reflect.TypeOf(arg).Kind() {
return true
}
}
return false
}
func IfNotIn(a interface{}, args ...interface{}) bool {
return !IfIn(a, args...)
}
func FnCost(f func()) time.Duration {
t1 := time.Now()
Try(f)
return time.Now().Sub(t1)
}
type FnT func() []reflect.Value
func FnOf(fn interface{}, args ...interface{}) FnT {
assertFn(fn)
t := reflect.ValueOf(fn)
return func() []reflect.Value {
var vs []reflect.Value
for i, p := range args {
var _v reflect.Value
if IsNil(p) {
if t.Type().IsVariadic() {
i = 0
}
_v = reflect.New(t.Type().In(i)).Elem()
} else {
_v = reflect.ValueOf(p)
}
vs = append(vs, _v)
}
return t.Call(vs)
}
}
func AssertFn(fn interface{}) {
assertFn(fn)
}