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
|
package jsonparser
// About 3x faster then strconv.ParseInt because does not check for range error and support only base 10, which is enough for JSON
func parseInt(bytes []byte) (v int64, ok bool) {
if len(bytes) == 0 {
return 0, false
}
var neg bool = false
if bytes[0] == '-' {
neg = true
bytes = bytes[1:]
}
for _, c := range bytes {
if c >= '0' && c <= '9' {
v = (10 * v) + int64(c-'0')
} else {
return 0, false
}
}
if neg {
return -v, true
} else {
return v, true
}
}
|
