Safe Haskell	None
Language	Haskell2010

Model.Age

Synopsis

Documentation

Constructors

Age
Fields ageDays :: Int Totals days constituting age. E.g. 1.5 years old = 548 days

Instances

Eq Age Source #
Methods (==) :: Age -> Age -> Bool # (/=) :: Age -> Age -> Bool #
Ord Age Source #
Methods compare :: Age -> Age -> Ordering # (<) :: Age -> Age -> Bool # (<=) :: Age -> Age -> Bool # (>) :: Age -> Age -> Bool # (>=) :: Age -> Age -> Bool # max :: Age -> Age -> Age # min :: Age -> Age -> Age #
ToJSON Age Source #
Methods toJSON :: Age -> Value # toEncoding :: Age -> Encoding # toJSONList :: [Age] -> Value # toEncodingList :: [Age] -> Encoding #

subtract second date (usually current date) from first date (birthdate), convert difference into age

convert a fractional value of years into a count of days, building an Age object with that value

convert total days spanning an Age value into the equivalent number of seconds (as a time interval)

upper bound for allowed age values, intended for validation