-
Notifications
You must be signed in to change notification settings - Fork 0
/
digits.go
37 lines (29 loc) · 824 Bytes
/
digits.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
package checker
import (
"reflect"
"unicode"
)
// CheckerDigits is the name of the checker.
const CheckerDigits = "digits"
// ResultNotDigits indicates that the given string contains non-digit characters.
const ResultNotDigits = "NOT_DIGITS"
// IsDigits checks if the given string consists of only digit characters.
func IsDigits(value string) Result {
for _, c := range value {
if !unicode.IsDigit(c) {
return ResultNotDigits
}
}
return ResultValid
}
// makeDigits makes a checker function for the digits checker.
func makeDigits(_ string) CheckFunc {
return checkDigits
}
// checkDigits checks if the given string consists of only digit characters.
func checkDigits(value, _ reflect.Value) Result {
if value.Kind() != reflect.String {
panic("string expected")
}
return IsDigits(value.String())
}