| Safe Haskell | None |
|---|---|
| Language | Haskell2010 |
Data.Char.Alpha
- data AlphaUpper
- class HasAlphaUpper c where
- class AsAlphaUpper a where
- parseAlphaUpper :: (Monad f, CharParsing f) => f AlphaUpper
- data AlphaLower
- class HasAlphaLower c where
- class AsAlphaLower a where
- parseAlphaLower :: (Monad f, CharParsing f) => f AlphaLower
- data Alpha
- class HasAlpha c where
- class AsAlpha r where
- parseAlpha :: (Monad f, CharParsing f) => f Alpha
- upperlower :: Iso' AlphaUpper AlphaLower
- lowerupper :: Iso' AlphaLower AlphaUpper
Upper-case
data AlphaUpper Source #
An upper-case character between and A.Z
class HasAlphaUpper c where Source #
Minimal complete definition
Methods
alphaUpper :: Lens' c AlphaUpper Source #
Instances
parseAlphaUpper :: (Monad f, CharParsing f) => f AlphaUpper Source #
Parse an upper-case alpha character.
>>>parse parseAlphaUpper "parseAlphaUpper" "A"Right (AlphaUpper 'A')
>>>parse parseAlphaUpper "parseAlphaUpper" "Abc"Right (AlphaUpper 'A')
>>>isn't _Right (parse parseAlphaUpper "parseAlphaUpper" "a")True
>>>isn't _Right (parse parseAlphaUpper "parseAlphaUpper" "")True
>>>isn't _Right (parse parseAlphaUpper "parseAlphaUpper" "0")True
Lower-case
data AlphaLower Source #
A lower-case character between and a.z
class HasAlphaLower c where Source #
Minimal complete definition
Methods
alphaLower :: Lens' c AlphaLower Source #
Instances
parseAlphaLower :: (Monad f, CharParsing f) => f AlphaLower Source #
Parse a lower-case alpha character.
>>>parse parseAlphaLower "parseAlphaLower" "a"Right (AlphaLower 'a')
>>>parse parseAlphaLower "parseAlphaLower" "aBC"Right (AlphaLower 'a')
>>>isn't _Right (parse parseAlphaLower "parseAlphaLower" "B")True
>>>isn't _Right (parse parseAlphaLower "parseAlphaLower" "")True
>>>isn't _Right (parse parseAlphaLower "parseAlphaLower" "0")True
Any case
Either a lower-case character between and a or an upper-case character between z and A.Z
Constructors
| UpperAlpha AlphaUpper | |
| LowerAlpha AlphaLower |
class AsAlpha r where Source #
Methods
_Alpha :: Prism' r Alpha Source #
_UpperAlpha :: Prism' r AlphaUpper Source #
_LowerAlpha :: Prism' r AlphaLower Source #
parseAlpha :: (Monad f, CharParsing f) => f Alpha Source #
Parse an upper-case or lower-case character.
>>>parse parseAlpha "parseAlpha" "a"Right (LowerAlpha (AlphaLower 'a'))
>>>parse parseAlpha "parseAlpha" "aBC"Right (LowerAlpha (AlphaLower 'a'))
>>>parse parseAlpha "parseAlpha" "A"Right (UpperAlpha (AlphaUpper 'A'))
>>>parse parseAlpha "parseAlpha" "Abc"Right (UpperAlpha (AlphaUpper 'A'))
>>>isn't _Right (parse parseAlpha "parseAlpha" "0")True
Accessory
upperlower :: Iso' AlphaUpper AlphaLower Source #
Isomorphism from upper to lower.
>>>(upperlower #) <$> ('a' ^? _AlphaLower)Just (AlphaUpper 'A')
>>>(upperlower #) <$> ('A' ^? _AlphaLower)Nothing
>>>(upperlower #) <$> ('3' ^? _AlphaLower)Nothing
lowerupper :: Iso' AlphaLower AlphaUpper Source #
Isomorphism from lower to upper.
>>>(lowerupper #) <$> ('A' ^? _AlphaUpper)Just (AlphaLower 'a')
>>>(lowerupper #) <$> ('a' ^? _AlphaUpper)Nothing
>>>(lowerupper #) <$> ('3' ^? _AlphaUpper)Nothing