Safe Haskell | None |
---|---|
Language | Haskell2010 |
- charBinaryNoZero :: BinaryNoZero d => Prism' Char d
- charBinary :: Binary d => Prism' Char d
- charOctalNoZero :: OctalNoZero d => Prism' Char d
- charOctal :: Octal d => Prism' Char d
- charDecimalNoZero :: DecimalNoZero d => Prism' Char d
- charDecimal :: Decimal d => Prism' Char d
- charHexadecimalNoZero :: HexadecimalNoZero d => Prism' Char d
- charHexadecimal :: Hexadecimal d => Prism' Char d
- charHEXADECIMALNoZero :: HEXADECIMALNoZero d => Prism' Char d
- charHEXADECIMAL :: HEXADECIMAL d => Prism' Char d
- charHeXaDeCiMaLNoZero :: HeXaDeCiMaLNoZero d => Prism' Char d
- charHeXaDeCiMaL :: HeXaDeCiMaL d => Prism' Char d
Documentation
charBinaryNoZero :: BinaryNoZero d => Prism' Char d Source #
>>>
'1' ^? charBinaryNoZero :: Maybe Digit
Just 1
>>>
charBinaryNoZero # Digit1
'1'
\c -> c /= '1' ==> (c ^? charBinaryNoZero == Nothing)
charBinary :: Binary d => Prism' Char d Source #
>>>
'0' ^? charBinary :: Maybe Digit
Just 0
>>>
'1' ^? charBinary :: Maybe Digit
Just 1
>>>
charBinary # Digit0 :: Char
'0'
>>>
charBinary # Digit1 :: Char
'1'
\c -> (c `notElem` "01") ==> (c ^? charBinary == Nothing)
charOctalNoZero :: OctalNoZero d => Prism' Char d Source #
>>>
'1' ^? charOctalNoZero :: Maybe Digit
Just 1
>>>
'2' ^? charOctalNoZero :: Maybe Digit
Just 2
>>>
'3' ^? charOctalNoZero :: Maybe Digit
Just 3
>>>
'4' ^? charOctalNoZero :: Maybe Digit
Just 4
>>>
'5' ^? charOctalNoZero :: Maybe Digit
Just 5
>>>
'6' ^? charOctalNoZero :: Maybe Digit
Just 6
>>>
'7' ^? charOctalNoZero :: Maybe Digit
Just 7
>>>
charOctalNoZero # Digit1 :: Char
'1'
>>>
charOctalNoZero # Digit2 :: Char
'2'
>>>
charOctalNoZero # Digit3 :: Char
'3'
>>>
charOctalNoZero # Digit4 :: Char
'4'
>>>
charOctalNoZero # Digit5 :: Char
'5'
>>>
charOctalNoZero # Digit6 :: Char
'6'
>>>
charOctalNoZero # Digit7 :: Char
'7'
\c -> (c `notElem` "1234567") ==> (c ^? charOctalNoZero == Nothing)
charOctal :: Octal d => Prism' Char d Source #
>>>
'0' ^? charOctal :: Maybe Digit
Just 0
>>>
'1' ^? charOctal :: Maybe Digit
Just 1
>>>
'2' ^? charOctal :: Maybe Digit
Just 2
>>>
'3' ^? charOctal :: Maybe Digit
Just 3
>>>
'4' ^? charOctal :: Maybe Digit
Just 4
>>>
'5' ^? charOctal :: Maybe Digit
Just 5
>>>
'6' ^? charOctal :: Maybe Digit
Just 6
>>>
'7' ^? charOctal :: Maybe Digit
Just 7
>>>
charOctal # Digit0 :: Char
'0'
>>>
charOctal # Digit1 :: Char
'1'
>>>
charOctal # Digit2 :: Char
'2'
>>>
charOctal # Digit3 :: Char
'3'
>>>
charOctal # Digit4 :: Char
'4'
>>>
charOctal # Digit5 :: Char
'5'
>>>
charOctal # Digit6 :: Char
'6'
>>>
charOctal # Digit7 :: Char
'7'
\c -> (c `notElem` "01234567") ==> (c ^? charOctal == Nothing)
charDecimalNoZero :: DecimalNoZero d => Prism' Char d Source #
>>>
'1' ^? charDecimalNoZero :: Maybe Digit
Just 1
>>>
'2' ^? charDecimalNoZero :: Maybe Digit
Just 2
>>>
'3' ^? charDecimalNoZero :: Maybe Digit
Just 3
>>>
'4' ^? charDecimalNoZero :: Maybe Digit
Just 4
>>>
'5' ^? charDecimalNoZero :: Maybe Digit
Just 5
>>>
'6' ^? charDecimalNoZero :: Maybe Digit
Just 6
>>>
'7' ^? charDecimalNoZero :: Maybe Digit
Just 7
>>>
'8' ^? charDecimalNoZero :: Maybe Digit
Just 8
>>>
'9' ^? charDecimalNoZero :: Maybe Digit
Just 9
>>>
charDecimalNoZero # Digit1 :: Char
'1'
>>>
charDecimalNoZero # Digit2 :: Char
'2'
>>>
charDecimalNoZero # Digit3 :: Char
'3'
>>>
charDecimalNoZero # Digit4 :: Char
'4'
>>>
charDecimalNoZero # Digit5 :: Char
'5'
>>>
charDecimalNoZero # Digit6 :: Char
'6'
>>>
charDecimalNoZero # Digit7 :: Char
'7'
>>>
charDecimalNoZero # Digit8 :: Char
'8'
>>>
charDecimalNoZero # Digit9 :: Char
'9'
\c -> (c `notElem` "123456789") ==> (c ^? charDecimalNoZero == Nothing)
charDecimal :: Decimal d => Prism' Char d Source #
>>>
'0' ^? charDecimal :: Maybe Digit
Just 0
>>>
'1' ^? charDecimal :: Maybe Digit
Just 1
>>>
'2' ^? charDecimal :: Maybe Digit
Just 2
>>>
'3' ^? charDecimal :: Maybe Digit
Just 3
>>>
'4' ^? charDecimal :: Maybe Digit
Just 4
>>>
'5' ^? charDecimal :: Maybe Digit
Just 5
>>>
'6' ^? charDecimal :: Maybe Digit
Just 6
>>>
'7' ^? charDecimal :: Maybe Digit
Just 7
>>>
'8' ^? charDecimal :: Maybe Digit
Just 8
>>>
'9' ^? charDecimal :: Maybe Digit
Just 9
>>>
charDecimal # Digit0 :: Char
'0'
>>>
charDecimal # Digit1 :: Char
'1'
>>>
charDecimal # Digit2 :: Char
'2'
>>>
charDecimal # Digit3 :: Char
'3'
>>>
charDecimal # Digit4 :: Char
'4'
>>>
charDecimal # Digit5 :: Char
'5'
>>>
charDecimal # Digit6 :: Char
'6'
>>>
charDecimal # Digit7 :: Char
'7'
>>>
charDecimal # Digit8 :: Char
'8'
>>>
charDecimal # Digit9 :: Char
'9'
\c -> (c `notElem` "0123456789") ==> (c ^? charDecimal == Nothing)
charHexadecimalNoZero :: HexadecimalNoZero d => Prism' Char d Source #
>>>
'1' ^? charHexadecimalNoZero :: Maybe Digit
Just 1
>>>
'2' ^? charHexadecimalNoZero :: Maybe Digit
Just 2
>>>
'3' ^? charHexadecimalNoZero :: Maybe Digit
Just 3
>>>
'4' ^? charHexadecimalNoZero :: Maybe Digit
Just 4
>>>
'5' ^? charHexadecimalNoZero :: Maybe Digit
Just 5
>>>
'6' ^? charHexadecimalNoZero :: Maybe Digit
Just 6
>>>
'7' ^? charHexadecimalNoZero :: Maybe Digit
Just 7
>>>
'8' ^? charHexadecimalNoZero :: Maybe Digit
Just 8
>>>
'9' ^? charHexadecimalNoZero :: Maybe Digit
Just 9
>>>
'a' ^? charHexadecimalNoZero :: Maybe Digit
Just a
>>>
'b' ^? charHexadecimalNoZero :: Maybe Digit
Just b
>>>
'c' ^? charHexadecimalNoZero :: Maybe Digit
Just c
>>>
'd' ^? charHexadecimalNoZero :: Maybe Digit
Just d
>>>
'e' ^? charHexadecimalNoZero :: Maybe Digit
Just e
>>>
'f' ^? charHexadecimalNoZero :: Maybe Digit
Just f
>>>
charHexadecimalNoZero # Digit1 :: Char
'1'
>>>
charHexadecimalNoZero # Digit2 :: Char
'2'
>>>
charHexadecimalNoZero # Digit3 :: Char
'3'
>>>
charHexadecimalNoZero # Digit4 :: Char
'4'
>>>
charHexadecimalNoZero # Digit5 :: Char
'5'
>>>
charHexadecimalNoZero # Digit6 :: Char
'6'
>>>
charHexadecimalNoZero # Digit7 :: Char
'7'
>>>
charHexadecimalNoZero # Digit8 :: Char
'8'
>>>
charHexadecimalNoZero # Digit9 :: Char
'9'
>>>
charHexadecimalNoZero # Digita :: Char
'a'
>>>
charHexadecimalNoZero # Digitb :: Char
'b'
>>>
charHexadecimalNoZero # Digitc :: Char
'c'
>>>
charHexadecimalNoZero # Digitd :: Char
'd'
>>>
charHexadecimalNoZero # Digite :: Char
'e'
>>>
charHexadecimalNoZero # Digitf :: Char
'f'
\c -> (c `notElem` "123456789abcdef") ==> (c ^? charHexadecimalNoZero == Nothing)
charHexadecimal :: Hexadecimal d => Prism' Char d Source #
>>>
'0' ^? charHexadecimal :: Maybe Digit
Just 0
>>>
'1' ^? charHexadecimal :: Maybe Digit
Just 1
>>>
'2' ^? charHexadecimal :: Maybe Digit
Just 2
>>>
'3' ^? charHexadecimal :: Maybe Digit
Just 3
>>>
'4' ^? charHexadecimal :: Maybe Digit
Just 4
>>>
'5' ^? charHexadecimal :: Maybe Digit
Just 5
>>>
'6' ^? charHexadecimal :: Maybe Digit
Just 6
>>>
'7' ^? charHexadecimal :: Maybe Digit
Just 7
>>>
'8' ^? charHexadecimal :: Maybe Digit
Just 8
>>>
'9' ^? charHexadecimal :: Maybe Digit
Just 9
>>>
'a' ^? charHexadecimal :: Maybe Digit
Just a
>>>
'b' ^? charHexadecimal :: Maybe Digit
Just b
>>>
'c' ^? charHexadecimal :: Maybe Digit
Just c
>>>
'd' ^? charHexadecimal :: Maybe Digit
Just d
>>>
'e' ^? charHexadecimal :: Maybe Digit
Just e
>>>
'f' ^? charHexadecimal :: Maybe Digit
Just f
>>>
charHexadecimal # Digit0 :: Char
'0'
>>>
charHexadecimal # Digit1 :: Char
'1'
>>>
charHexadecimal # Digit2 :: Char
'2'
>>>
charHexadecimal # Digit3 :: Char
'3'
>>>
charHexadecimal # Digit4 :: Char
'4'
>>>
charHexadecimal # Digit5 :: Char
'5'
>>>
charHexadecimal # Digit6 :: Char
'6'
>>>
charHexadecimal # Digit7 :: Char
'7'
>>>
charHexadecimal # Digit8 :: Char
'8'
>>>
charHexadecimal # Digit9 :: Char
'9'
>>>
charHexadecimal # Digita :: Char
'a'
>>>
charHexadecimal # Digitb :: Char
'b'
>>>
charHexadecimal # Digitc :: Char
'c'
>>>
charHexadecimal # Digitd :: Char
'd'
>>>
charHexadecimal # Digite :: Char
'e'
>>>
charHexadecimal # Digitf :: Char
'f'
\c -> (c `notElem` "0123456789abcdef") ==> (c ^? charHexadecimal == Nothing)
charHEXADECIMALNoZero :: HEXADECIMALNoZero d => Prism' Char d Source #
>>>
'1' ^? charHEXADECIMALNoZero :: Maybe Digit
Just 1
>>>
'2' ^? charHEXADECIMALNoZero :: Maybe Digit
Just 2
>>>
'3' ^? charHEXADECIMALNoZero :: Maybe Digit
Just 3
>>>
'4' ^? charHEXADECIMALNoZero :: Maybe Digit
Just 4
>>>
'5' ^? charHEXADECIMALNoZero :: Maybe Digit
Just 5
>>>
'6' ^? charHEXADECIMALNoZero :: Maybe Digit
Just 6
>>>
'7' ^? charHEXADECIMALNoZero :: Maybe Digit
Just 7
>>>
'8' ^? charHEXADECIMALNoZero :: Maybe Digit
Just 8
>>>
'9' ^? charHEXADECIMALNoZero :: Maybe Digit
Just 9
>>>
'A' ^? charHEXADECIMALNoZero :: Maybe Digit
Just A
>>>
'B' ^? charHEXADECIMALNoZero :: Maybe Digit
Just B
>>>
'C' ^? charHEXADECIMALNoZero :: Maybe Digit
Just C
>>>
'D' ^? charHEXADECIMALNoZero :: Maybe Digit
Just D
>>>
'E' ^? charHEXADECIMALNoZero :: Maybe Digit
Just E
>>>
'F' ^? charHEXADECIMALNoZero :: Maybe Digit
Just F
>>>
charHEXADECIMALNoZero # Digit1 :: Char
'1'
>>>
charHEXADECIMALNoZero # Digit2 :: Char
'2'
>>>
charHEXADECIMALNoZero # Digit3 :: Char
'3'
>>>
charHEXADECIMALNoZero # Digit4 :: Char
'4'
>>>
charHEXADECIMALNoZero # Digit5 :: Char
'5'
>>>
charHEXADECIMALNoZero # Digit6 :: Char
'6'
>>>
charHEXADECIMALNoZero # Digit7 :: Char
'7'
>>>
charHEXADECIMALNoZero # Digit8 :: Char
'8'
>>>
charHEXADECIMALNoZero # Digit9 :: Char
'9'
>>>
charHEXADECIMALNoZero # DigitA :: Char
'A'
>>>
charHEXADECIMALNoZero # DigitB :: Char
'B'
>>>
charHEXADECIMALNoZero # DigitC :: Char
'C'
>>>
charHEXADECIMALNoZero # DigitD :: Char
'D'
>>>
charHEXADECIMALNoZero # DigitE :: Char
'E'
>>>
charHEXADECIMALNoZero # DigitF :: Char
'F'
\c -> (c `notElem` "123456789ABCDEF") ==> (c ^? charHEXADECIMALNoZero == Nothing)
charHEXADECIMAL :: HEXADECIMAL d => Prism' Char d Source #
>>>
'0' ^? charHEXADECIMAL :: Maybe Digit
Just 0
>>>
'1' ^? charHEXADECIMAL :: Maybe Digit
Just 1
>>>
'2' ^? charHEXADECIMAL :: Maybe Digit
Just 2
>>>
'3' ^? charHEXADECIMAL :: Maybe Digit
Just 3
>>>
'4' ^? charHEXADECIMAL :: Maybe Digit
Just 4
>>>
'5' ^? charHEXADECIMAL :: Maybe Digit
Just 5
>>>
'6' ^? charHEXADECIMAL :: Maybe Digit
Just 6
>>>
'7' ^? charHEXADECIMAL :: Maybe Digit
Just 7
>>>
'8' ^? charHEXADECIMAL :: Maybe Digit
Just 8
>>>
'9' ^? charHEXADECIMAL :: Maybe Digit
Just 9
>>>
'A' ^? charHEXADECIMAL :: Maybe Digit
Just A
>>>
'B' ^? charHEXADECIMAL :: Maybe Digit
Just B
>>>
'C' ^? charHEXADECIMAL :: Maybe Digit
Just C
>>>
'D' ^? charHEXADECIMAL :: Maybe Digit
Just D
>>>
'E' ^? charHEXADECIMAL :: Maybe Digit
Just E
>>>
'F' ^? charHEXADECIMAL :: Maybe Digit
Just F
>>>
charHEXADECIMAL # Digit0 :: Char
'0'
>>>
charHEXADECIMAL # Digit1 :: Char
'1'
>>>
charHEXADECIMAL # Digit2 :: Char
'2'
>>>
charHEXADECIMAL # Digit3 :: Char
'3'
>>>
charHEXADECIMAL # Digit4 :: Char
'4'
>>>
charHEXADECIMAL # Digit5 :: Char
'5'
>>>
charHEXADECIMAL # Digit6 :: Char
'6'
>>>
charHEXADECIMAL # Digit7 :: Char
'7'
>>>
charHEXADECIMAL # Digit8 :: Char
'8'
>>>
charHEXADECIMAL # Digit9 :: Char
'9'
>>>
charHEXADECIMAL # DigitA :: Char
'A'
>>>
charHEXADECIMAL # DigitB :: Char
'B'
>>>
charHEXADECIMAL # DigitC :: Char
'C'
>>>
charHEXADECIMAL # DigitD :: Char
'D'
>>>
charHEXADECIMAL # DigitE :: Char
'E'
>>>
charHEXADECIMAL # DigitF :: Char
'F'
\c -> (c `notElem` "0123456789ABCDEF") ==> (c ^? charHEXADECIMAL == Nothing)
charHeXaDeCiMaLNoZero :: HeXaDeCiMaLNoZero d => Prism' Char d Source #
>>>
'1' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just 1
>>>
'2' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just 2
>>>
'3' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just 3
>>>
'4' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just 4
>>>
'5' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just 5
>>>
'6' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just 6
>>>
'7' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just 7
>>>
'8' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just 8
>>>
'9' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just 9
>>>
'a' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just a
>>>
'b' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just b
>>>
'c' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just c
>>>
'd' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just d
>>>
'e' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just e
>>>
'f' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just f
>>>
'A' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just A
>>>
'B' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just B
>>>
'C' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just C
>>>
'D' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just D
>>>
'E' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just E
>>>
'F' ^? charHeXaDeCiMaLNoZero :: Maybe Digit
Just F
>>>
charHeXaDeCiMaLNoZero # Digit1 :: Char
'1'
>>>
charHeXaDeCiMaLNoZero # Digit2 :: Char
'2'
>>>
charHeXaDeCiMaLNoZero # Digit3 :: Char
'3'
>>>
charHeXaDeCiMaLNoZero # Digit4 :: Char
'4'
>>>
charHeXaDeCiMaLNoZero # Digit5 :: Char
'5'
>>>
charHeXaDeCiMaLNoZero # Digit6 :: Char
'6'
>>>
charHeXaDeCiMaLNoZero # Digit7 :: Char
'7'
>>>
charHeXaDeCiMaLNoZero # Digit8 :: Char
'8'
>>>
charHeXaDeCiMaLNoZero # Digit9 :: Char
'9'
>>>
charHeXaDeCiMaLNoZero # Digita :: Char
'a'
>>>
charHeXaDeCiMaLNoZero # Digitb :: Char
'b'
>>>
charHeXaDeCiMaLNoZero # Digitc :: Char
'c'
>>>
charHeXaDeCiMaLNoZero # Digitd :: Char
'd'
>>>
charHeXaDeCiMaLNoZero # Digite :: Char
'e'
>>>
charHeXaDeCiMaLNoZero # Digitf :: Char
'f'
>>>
charHeXaDeCiMaLNoZero # DigitA :: Char
'A'
>>>
charHeXaDeCiMaLNoZero # DigitB :: Char
'B'
>>>
charHeXaDeCiMaLNoZero # DigitC :: Char
'C'
>>>
charHeXaDeCiMaLNoZero # DigitD :: Char
'D'
>>>
charHeXaDeCiMaLNoZero # DigitE :: Char
'E'
>>>
charHeXaDeCiMaLNoZero # DigitF :: Char
'F'
\c -> (c `notElem` "123456789abcdefABCDEF") ==> (c ^? charHeXaDeCiMaLNoZero == Nothing)
charHeXaDeCiMaL :: HeXaDeCiMaL d => Prism' Char d Source #
>>>
'0' ^? charHeXaDeCiMaL :: Maybe Digit
Just 0
>>>
'1' ^? charHeXaDeCiMaL :: Maybe Digit
Just 1
>>>
'2' ^? charHeXaDeCiMaL :: Maybe Digit
Just 2
>>>
'3' ^? charHeXaDeCiMaL :: Maybe Digit
Just 3
>>>
'4' ^? charHeXaDeCiMaL :: Maybe Digit
Just 4
>>>
'5' ^? charHeXaDeCiMaL :: Maybe Digit
Just 5
>>>
'6' ^? charHeXaDeCiMaL :: Maybe Digit
Just 6
>>>
'7' ^? charHeXaDeCiMaL :: Maybe Digit
Just 7
>>>
'8' ^? charHeXaDeCiMaL :: Maybe Digit
Just 8
>>>
'9' ^? charHeXaDeCiMaL :: Maybe Digit
Just 9
>>>
'a' ^? charHeXaDeCiMaL :: Maybe Digit
Just a
>>>
'b' ^? charHeXaDeCiMaL :: Maybe Digit
Just b
>>>
'c' ^? charHeXaDeCiMaL :: Maybe Digit
Just c
>>>
'd' ^? charHeXaDeCiMaL :: Maybe Digit
Just d
>>>
'e' ^? charHeXaDeCiMaL :: Maybe Digit
Just e
>>>
'f' ^? charHeXaDeCiMaL :: Maybe Digit
Just f
>>>
'A' ^? charHeXaDeCiMaL :: Maybe Digit
Just A
>>>
'B' ^? charHeXaDeCiMaL :: Maybe Digit
Just B
>>>
'C' ^? charHeXaDeCiMaL :: Maybe Digit
Just C
>>>
'D' ^? charHeXaDeCiMaL :: Maybe Digit
Just D
>>>
'E' ^? charHeXaDeCiMaL :: Maybe Digit
Just E
>>>
'F' ^? charHeXaDeCiMaL :: Maybe Digit
Just F
>>>
charHeXaDeCiMaL # Digit0 :: Char
'0'
>>>
charHeXaDeCiMaL # Digit1 :: Char
'1'
>>>
charHeXaDeCiMaL # Digit2 :: Char
'2'
>>>
charHeXaDeCiMaL # Digit3 :: Char
'3'
>>>
charHeXaDeCiMaL # Digit4 :: Char
'4'
>>>
charHeXaDeCiMaL # Digit5 :: Char
'5'
>>>
charHeXaDeCiMaL # Digit6 :: Char
'6'
>>>
charHeXaDeCiMaL # Digit7 :: Char
'7'
>>>
charHeXaDeCiMaL # Digit8 :: Char
'8'
>>>
charHeXaDeCiMaL # Digit9 :: Char
'9'
>>>
charHeXaDeCiMaL # Digita :: Char
'a'
>>>
charHeXaDeCiMaL # Digitb :: Char
'b'
>>>
charHeXaDeCiMaL # Digitc :: Char
'c'
>>>
charHeXaDeCiMaL # Digitd :: Char
'd'
>>>
charHeXaDeCiMaL # Digite :: Char
'e'
>>>
charHeXaDeCiMaL # Digitf :: Char
'f'
>>>
charHeXaDeCiMaL # DigitA :: Char
'A'
>>>
charHeXaDeCiMaL # DigitB :: Char
'B'
>>>
charHeXaDeCiMaL # DigitC :: Char
'C'
>>>
charHeXaDeCiMaL # DigitD :: Char
'D'
>>>
charHeXaDeCiMaL # DigitE :: Char
'E'
>>>
charHeXaDeCiMaL # DigitF :: Char
'F'
\c -> (c `notElem` "0123456789abcdefABCDEF") ==> (c ^? charHeXaDeCiMaL == Nothing)