Data.API.Utils

Documentation

simpleParseVersion :: String -> Maybe Version

(?!) :: Maybe a -> e -> Either e a

The "oh noes!" operator.

(?!?) :: Either e a -> (e -> e') -> Either e' a

Utils for merging and diffing maps

data MergeResult a b

Constructors

OnlyInLeft a

InBoth a b

OnlyInRight b

Instances

(Eq a, Eq b) => Eq (MergeResult a b)

Defined in Data.API.Utils

Methods

(==) :: MergeResult a b -> MergeResult a b -> Bool

(/=) :: MergeResult a b -> MergeResult a b -> Bool

(Show a, Show b) => Show (MergeResult a b)

Defined in Data.API.Utils

Methods

showsPrec :: Int -> MergeResult a b -> ShowS

show :: MergeResult a b -> String

showList :: [MergeResult a b] -> ShowS

mergeMaps :: Ord k => Map k a -> Map k b -> Map k (MergeResult a b)

diffMaps :: (Eq a, Ord k) => Map k a -> Map k a -> Map k (MergeResult a a)

matchMaps :: Ord k => Map k a -> Map k b -> Either (k, Either a b) (Map k (a, b))

Attempts to match the keys of the maps to produce a map from keys to pairs.