Distribution.FieldGrammar.FieldDescrs

Documentation

data FieldDescrs s a

A collection of field parsers and pretty-printers.

Instances

Functor (FieldDescrs s)

Defined in Distribution.FieldGrammar.FieldDescrs

Methods

fmap :: (a -> b) -> FieldDescrs s a -> FieldDescrs s b

(<$) :: a -> FieldDescrs s b -> FieldDescrs s a

Applicative (FieldDescrs s)

Defined in Distribution.FieldGrammar.FieldDescrs

Methods

pure :: a -> FieldDescrs s a

(<*>) :: FieldDescrs s (a -> b) -> FieldDescrs s a -> FieldDescrs s b

liftA2 :: (a -> b -> c) -> FieldDescrs s a -> FieldDescrs s b -> FieldDescrs s c

(*>) :: FieldDescrs s a -> FieldDescrs s b -> FieldDescrs s b

(<*) :: FieldDescrs s a -> FieldDescrs s b -> FieldDescrs s a

fieldDescrPretty :: FieldDescrs s a -> FieldName -> Maybe (s -> Doc)

Lookup a field value pretty-printer.

fieldDescrParse :: CabalParsing m => FieldDescrs s a -> FieldName -> Maybe (s -> m s)

Lookup a field value parser.

fieldDescrsToList :: CabalParsing m => FieldDescrs s a -> [(FieldName, s -> Doc, s -> m s)]