Safe Haskell | Safe |
---|---|
Language | Haskell98 |
- class PathPiece s where
- fromPathPiece :: Text -> Maybe s
- toPathPiece :: s -> Text
- class PathMultiPiece s where
- fromPathMultiPiece :: [Text] -> Maybe s
- toPathMultiPiece :: s -> [Text]
- readFromPathPiece :: Read s => Text -> Maybe s
- showToPathPiece :: Show s => s -> Text
- toSinglePiece :: PathPiece p => p -> Text
- toMultiPiece :: PathMultiPiece ps => ps -> [Text]
- fromSinglePiece :: PathPiece p => Text -> Maybe p
- fromMultiPiece :: PathMultiPiece ps => [Text] -> Maybe ps
Documentation
class PathPiece s where Source
fromPathPiece :: Text -> Maybe s Source
toPathPiece :: s -> Text Source
class PathMultiPiece s where Source
fromPathMultiPiece :: [Text] -> Maybe s Source
toPathMultiPiece :: s -> [Text] Source
PathPiece a => PathMultiPiece [a] Source |
readFromPathPiece :: Read s => Text -> Maybe s Source
A function for helping generate free PathPiece
instances for enumeration data types
that have derived Read
and Show
instances.
Intended to be used like this:
data MyData = Foo | Bar | Baz deriving (Read,Show) instance PathPiece MyData where fromPathPiece = readFromPathPiece toPathPiece = showToPathPiece
Since 0.2.1.
showToPathPiece :: Show s => s -> Text Source
See the documentation for readFromPathPiece
.
Since 0.2.1.
Deprecated
toSinglePiece :: PathPiece p => p -> Text Source
Deprecated: Use toPathPiece instead of toSinglePiece
toMultiPiece :: PathMultiPiece ps => ps -> [Text] Source
Deprecated: Use toPathMultiPiece instead of toMultiPiece
fromSinglePiece :: PathPiece p => Text -> Maybe p Source
Deprecated: Use fromPathPiece instead of fromSinglePiece
fromMultiPiece :: PathMultiPiece ps => [Text] -> Maybe ps Source
Deprecated: Use fromPathMultiPiece instead of fromMultiPiece