37 lines
824 B
Go
37 lines
824 B
Go
package checker
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import (
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"reflect"
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"unicode"
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)
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// CheckerDigits is the name of the checker.
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const CheckerDigits = "digits"
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// ResultNotDigits indicates that the given string contains non-digit characters.
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const ResultNotDigits = "NOT_DIGITS"
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// IsDigits checks if the given string consists of only digit characters.
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func IsDigits(value string) Result {
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for _, c := range value {
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if !unicode.IsDigit(c) {
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return ResultNotDigits
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}
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}
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return ResultValid
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}
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// makeDigits makes a checker function for the digits checker.
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func makeDigits(_ string) CheckFunc {
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return checkDigits
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}
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// checkDigits checks if the given string consists of only digit characters.
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func checkDigits(value, _ reflect.Value) Result {
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if value.Kind() != reflect.String {
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panic("string expected")
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}
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return IsDigits(value.String())
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}
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