func setItalianLeadingZerosForPhoneNumber()

in phonenumbers.go [2875:2892]

• 15 lines of code
• 6 McCabe index (conditional complexity)

func setItalianLeadingZerosForPhoneNumber(
	nationalNum string, phoneNumber *PhoneNumber) {
	if len(nationalNum) < 2 || nationalNum[0] != '0' {
		phoneNumber.ItalianLeadingZero = nil
		return
	}

	phoneNumber.ItalianLeadingZero = proto.Bool(true)
	numLeadZeros := 1
	// Note that if the national number is all "0"s, the last "0"
	// is not counted as a leading zero.
	for numLeadZeros < len(nationalNum)-1 && nationalNum[numLeadZeros] == '0' {
		numLeadZeros++
	}
	if numLeadZeros != 1 {
		phoneNumber.NumberOfLeadingZeros = proto.Int32(int32(numLeadZeros))
	}
}