Structures

A type representation of a credit card that identifies properties of various types and can perform formatting of their numbers.

let creditCard = DSCreditCard(number: "4111111111111111")

print(creditCard.formattedNumber)

A validation rule that allows for an error message to be expressly set. When the message is non-empty, the validation fails. Useful for showing backend errors.

A validation rule for requiring that a credit card number matches a legal format as much as possible.

A validation rule for requiring a valid currency is entered.

A validation rule for email addresses. Returns an error when a proper email address has not been formed. Does not verify that an email address exists, only that it’s legal.

A validation rule for capping the length of the text to a maximum amount.

A validation rule for requiring that text is a number and is between a min and max value. (Inclusive.)

A validation rule for requiring that only digits are entered.

A validation rule for requiring text to be a phone number of format XXX-XXX-XXXX.

A validation rule for requiring that text exists and is not an empty string.