-
Notifications
You must be signed in to change notification settings - Fork 0
/
maps_fmt.go
95 lines (80 loc) · 1.49 KB
/
maps_fmt.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
package container
import (
"fmt"
"strings"
iou "github.com/wrmsr/bane/core/io"
bt "github.com/wrmsr/bane/core/types"
)
//
type MapFormatter struct {
f fmt.State
}
func (mf MapFormatter) WriteString(s string) {
iou.WriteStringDiscard(mf.f, s)
}
func (mf MapFormatter) WriteBegin() {
if mf.f.Flag('#') {
mf.WriteString("{")
} else {
mf.WriteString("[")
}
}
func (mf MapFormatter) WriteEntry(i int, k, v any) {
if i > 0 {
if mf.f.Flag('#') {
mf.WriteString(", ")
} else {
mf.WriteString(" ")
}
}
if mf.f.Flag('#') {
iou.FprintfDiscard(mf.f, "%#v:%#v", k, v)
} else {
iou.FprintfDiscard(mf.f, "%v:%v", k, v)
}
}
func (mf MapFormatter) WriteEnd() {
if mf.f.Flag('#') {
mf.WriteString("}")
} else {
mf.WriteString("]")
}
}
func MapFormat[K, V any](f fmt.State, m Map[K, V]) {
mf := MapFormatter{f: f}
mf.WriteBegin()
i := 0
m.ForEach(func(kv bt.Kv[K, V]) bool {
mf.WriteEntry(i, kv.K, kv.V)
i++
return true
})
mf.WriteEnd()
}
//
type MapStringer struct {
sb *strings.Builder
}
func (ms MapStringer) WriteBegin() {
ms.sb.WriteString("[")
}
func (ms MapStringer) WriteEnd() {
ms.sb.WriteString("]")
}
func (ms MapStringer) WriteEntry(i int, k, v any) {
if i > 0 {
ms.sb.WriteRune(' ')
}
iou.FprintfDiscard(ms.sb, "%v:%v", k, v)
}
func MapString[K, V any](sb *strings.Builder, m Map[K, V]) {
ms := MapStringer{sb: sb}
ms.WriteBegin()
i := 0
m.ForEach(func(kv bt.Kv[K, V]) bool {
ms.WriteEntry(i, kv.K, kv.V)
i++
return true
})
ms.WriteEnd()
}