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Synopsis |
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Documentation |
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class Reason a where |
method reason of this class maps a value of type a to an explanation of
the input syntax for a value of type a | | Methods | reason :: a -> String | | washtype :: a -> String |
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newtype EmailAddress |
Reads an email address according to RFC 2822 | Constructors | | Instances | |
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newtype CreditCardNumber |
Reads a credit card number and performs Luhn check on it. | Constructors | CreditCardNumber | | unCreditCardNumber :: String | |
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data CreditCardExp |
Reads credit card expiration dates in format . | Constructors | CreditCardExp | | cceMonth :: Int | | cceYear :: Int | |
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newtype NonEmpty |
Non-empty strings. | Constructors | | Instances | |
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newtype Phone |
Phone numbers. | Constructors | | Instances | |
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newtype AllDigits |
Non-empty strings of digits. | Constructors | | Instances | |
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newtype Text |
Arbitrary string data. No quotes required. | Constructors | | Instances | |
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newtype Password |
A Password is a string of length >= 8 with characters taken from at least
three of the four sets: lower case characters, upper case characters, digits,
and special characters. | Constructors | | Instances | |
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data Optional a |
Data type for transforming a field into an optional one. The Read syntax of
Absent is the empty string, whereas the Read syntax of Present a is just the
Read syntax of a. Analogously for Show. | Constructors | | Instances | |
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fromPresent :: Optional a -> a |
Analogous to Maybe.fromJust |
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fromOptional :: a -> Optional a -> a |
Analogous to Maybe.fromMaybe |
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Produced by Haddock version 0.6 |