gorush/vendor/github.com/buger/jsonparser/bytes.go

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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
}
}