FormToolkit.Value

Value is used to set default input values of type either string, integer, float, boolean, date, month, time, or json.

Init

= Value Value

string : String -> Value

int : Int -> Value

float : Float -> Value

bool : Bool -> Value

date : Posix -> Value

month : Posix -> Value

time : Posix -> Value

toString : Value -> Maybe String

All values except for blank have a string representation.

toString (string "Hello") == Just "Hello"


toString (int 42) == Just "42"


toString blank == Nothing

toBool : Value -> Maybe Bool

Convert boolean values to Bool.

toBool (bool True) == Just True


toBool (string "True") == Nothing

toFloat : Value -> Maybe Float

Convert float values to Float.

toFloat (float 3.14) == Just 3.14


toFloat (string "3.14") == Nothing

toInt : Value -> Maybe Int

Convert int values to Int.

toInt (int 42) == Just 42


toInt (string "42") == Nothing

toPosix : Value -> Maybe Posix

Convert posix values to Posix.

toPosix (time (Time.millisToPosix 0))
    == Just (Time.millisToPosix 0)


toPosix blank == Nothing