digit-0.5.2: A data-type representing digits 0-9 and other combinations

Safe HaskellNone
LanguageHaskell2010

Data.Digit.D6

Synopsis

Documentation

class D6 d where Source #

Minimal complete definition

d6

Methods

d6 :: Prism' d () Source #

x6 :: d Source #

Instances

D6 () Source # 

Methods

d6 :: Prism' () () Source #

x6 :: () Source #

D6 Digit Source # 

Methods

d6 :: Prism' Digit () Source #

x6 :: Digit Source #

parse6 :: (D6 d, CharParsing p) => p d Source #

>>> parse (parse6 <* eof) "test" "6" :: Either ParseError Digit
Right 6
>>> parse parse6 "test" "6xyz" :: Either ParseError Digit
Right 6
>>> isn't _Right (parse parse6 "test" "xyz" :: Either ParseError Digit)
True
\c -> c /= '6' ==> isn't _Right (parse parse6 "test" [c] :: Either ParseError Digit)