Module

Heterogenous.Mapping

class Mapping f a b | f a -> b where

class MappingWithIndex f i a b | f a -> b, f -> i where

newtype ConstMapping f

class HMap f a b | a -> f b where

(Functor f, Mapping fn a b) => HMap fn (App f a) (App f b)
(RowToList rin rl, MapRecordWithIndex rl (ConstMapping fn) rin rout) => HMap fn (Record rin) (Record rout)
(Mapping fn a a', Mapping fn b b') => HMap fn (Tuple a b) (Tuple a' b')

class HMapWithIndex f a b | a -> f b where

class MapRecordWithIndex (xs :: RowList) f (as :: Row Type) (bs :: Row Type) | xs -> f as bs where

(IsSymbol sym, MappingWithIndex f (SProxy sym) a b, MapRecordWithIndex rest f as bs', Cons sym a bx bs', Cons sym b bx bs) => MapRecordWithIndex (Cons sym a rest) f as bs
MapRecordWithIndex Nil fn as as