adamc@834: val exec : m ::: (Type -> Type) -> monad m -> ts ::: {Type}
adamc@834:            -> $(map m ts) -> folder ts -> m $ts
adamc@898: 
adamc@898: val ignore : m ::: (Type -> Type) -> monad m -> t ::: Type
adamc@898:              -> m t -> m unit
adamc@905: 
adamc@905: val foldR : K --> m ::: (Type -> Type) -> monad m
adamc@905:             -> tf :: (K -> Type)
adamc@905:             -> tr :: ({K} -> Type)
adamc@905:             -> (nm :: Name -> t :: K -> rest :: {K}
adamc@905:                 -> [[nm] ~ rest] =>
adamc@905:                 tf t -> tr rest -> m (tr ([nm = t] ++ rest)))
adamc@905:             -> tr []
adamc@905:             -> r :: {K} -> folder r -> $(map tf r) -> m (tr r)
adamc@905: 
adamc@905: val foldR2 : K --> m ::: (Type -> Type) -> monad m
adamc@905:              -> tf1 :: (K -> Type) -> tf2 :: (K -> Type)
adamc@905:              -> tr :: ({K} -> Type)
adamc@905:              -> (nm :: Name -> t :: K -> rest :: {K}
adamc@905:                  -> [[nm] ~ rest] =>
adamc@905:                        tf1 t -> tf2 t -> tr rest -> m (tr ([nm = t] ++ rest)))
adamc@905:              -> tr []
adamc@905:              -> r :: {K} -> folder r -> $(map tf1 r) -> $(map tf2 r) -> m (tr r)
adamc@905: 
adamc@905: val mapR : K --> m ::: (Type -> Type) -> monad m
adamc@905:            -> tf :: (K -> Type)
adamc@905:            -> tr :: (K -> Type)
adamc@905:            -> (nm :: Name -> t :: K -> tf t -> m (tr t))
adamc@905:            -> r :: {K} -> folder r -> $(map tf r) -> m ($(map tr r))