CardBrand

A card scheme, written as its own name, visa, and shown by the scheme's, "Visa". money.mask tells it from a card's number.

Money and banking; not ordered; since Jadpo 0.1.0.

Make one

Pick one of its variants, CardBrand.american_express.

text.parse(raw, as: CardBrand) reads one from its text; text that isn't one at all fails malformed, such as americanexpress, Visa Electron or master_card.

Variants

8 variants, each written as its own name: american_express, diners_club, discover, jcb, maestro, mastercard, unionpay, visa.

Text, JSON and storage

text.from writes its canonical text, the one form text.parse reads back. JSON sends its canonical text as a string.

It is stored in one column named for the field, of type text. mastercard is stored as 'mastercard'.

Shown to people

text.format(value, locale:) shows it to people in their locale.

With locale: Locale.en_gb:

Operations

It has the contract's own operations: text.parse, text.from, text.format, json.read, json.write and ==. It isn't ordered, so < and sorting don't take it. Every standard type meets one contract says how they work.