| Safe Haskell | None |
|---|---|
| Language | Haskell2010 |
Data.Digit.D2
- class D2 d where
- parse2 :: (D2 d, CharParsing p) => p d
Documentation
Minimal complete definition
parse2 :: (D2 d, CharParsing p) => p d Source #
>>>parse (parse2 <* eof) "test" "2" :: Either ParseError DigitRight 2
>>>parse parse2 "test" "2xyz" :: Either ParseError DigitRight 2
>>>isn't _Right (parse parse2 "test" "xyz" :: Either ParseError Digit)True
\c -> c /= '2' ==> isn't _Right (parse parse2 "test" [c] :: Either ParseError Digit)