diff options
Diffstat (limited to 'lib/ur/monad.ur')
-rw-r--r-- | lib/ur/monad.ur | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/lib/ur/monad.ur b/lib/ur/monad.ur index efba7546..e15da523 100644 --- a/lib/ur/monad.ur +++ b/lib/ur/monad.ur @@ -1,10 +1,10 @@ fun exec [m ::: Type -> Type] (_ : monad m) [ts ::: {Type}] r (fd : folder ts) = - foldR [m] [fn ts => m $ts] - (fn [nm :: Name] [v :: Type] [rest :: {Type}] [[nm] ~ rest] action acc => - this <- action; - others <- acc; - return ({nm = this} ++ others)) - (return {}) [ts] fd r + @foldR [m] [fn ts => m $ts] + (fn [nm :: Name] [v :: Type] [rest :: {Type}] [[nm] ~ rest] action acc => + this <- action; + others <- acc; + return ({nm = this} ++ others)) + (return {}) fd r fun ignore [m ::: Type -> Type] (_ : monad m) [t] (v : m t) = x <- v; return () @@ -16,40 +16,40 @@ fun foldR [K] [m] (_ : monad m) [tf :: K -> Type] [tr :: {K} -> Type] (f : nm :: Name -> t :: K -> rest :: {K} -> [[nm] ~ rest] => tf t -> tr rest -> m (tr ([nm = t] ++ rest))) - (i : tr []) [r :: {K}] (fl : folder r) = - Top.fold [fn r :: {K} => $(map tf r) -> m (tr r)] - (fn [nm :: Name] [t :: K] [rest :: {K}] [[nm] ~ rest] - (acc : _ -> m (tr rest)) r => - acc' <- acc (r -- nm); - f [nm] [t] [rest] ! r.nm acc') - (fn _ => return i) - [_] fl + (i : tr []) [r ::: {K}] (fl : folder r) = + @Top.fold [fn r :: {K} => $(map tf r) -> m (tr r)] + (fn [nm :: Name] [t :: K] [rest :: {K}] [[nm] ~ rest] + (acc : _ -> m (tr rest)) r => + acc' <- acc (r -- nm); + f [nm] [t] [rest] ! r.nm acc') + (fn _ => return i) + fl fun foldR2 [K] [m] (_ : monad m) [tf1 :: K -> Type] [tf2 :: K -> Type] [tr :: {K} -> Type] (f : nm :: Name -> t :: K -> rest :: {K} -> [[nm] ~ rest] => tf1 t -> tf2 t -> tr rest -> m (tr ([nm = t] ++ rest))) - (i : tr []) [r :: {K}] (fl : folder r) = - Top.fold [fn r :: {K} => $(map tf1 r) -> $(map tf2 r) -> m (tr r)] - (fn [nm :: Name] [t :: K] [rest :: {K}] [[nm] ~ rest] - (acc : _ -> _ -> m (tr rest)) r1 r2 => - acc' <- acc (r1 -- nm) (r2 -- nm); - f [nm] [t] [rest] ! r1.nm r2.nm acc') - (fn _ _ => return i) - [_] fl + (i : tr []) [r ::: {K}] (fl : folder r) = + @Top.fold [fn r :: {K} => $(map tf1 r) -> $(map tf2 r) -> m (tr r)] + (fn [nm :: Name] [t :: K] [rest :: {K}] [[nm] ~ rest] + (acc : _ -> _ -> m (tr rest)) r1 r2 => + acc' <- acc (r1 -- nm) (r2 -- nm); + f [nm] [t] [rest] ! r1.nm r2.nm acc') + (fn _ _ => return i) + fl fun foldR3 [K] [m] (_ : monad m) [tf1 :: K -> Type] [tf2 :: K -> Type] [tf3 :: K -> Type] [tr :: {K} -> Type] (f : nm :: Name -> t :: K -> rest :: {K} -> [[nm] ~ rest] => tf1 t -> tf2 t -> tf3 t -> tr rest -> m (tr ([nm = t] ++ rest))) - (i : tr []) [r :: {K}] (fl : folder r) = - Top.fold [fn r :: {K} => $(map tf1 r) -> $(map tf2 r) -> $(map tf3 r) -> m (tr r)] - (fn [nm :: Name] [t :: K] [rest :: {K}] [[nm] ~ rest] - (acc : _ -> _ -> _ -> m (tr rest)) r1 r2 r3 => - acc' <- acc (r1 -- nm) (r2 -- nm) (r3 -- nm); - f [nm] [t] [rest] ! r1.nm r2.nm r3.nm acc') - (fn _ _ _ => return i) - [_] fl + (i : tr []) [r ::: {K}] (fl : folder r) = + @Top.fold [fn r :: {K} => $(map tf1 r) -> $(map tf2 r) -> $(map tf3 r) -> m (tr r)] + (fn [nm :: Name] [t :: K] [rest :: {K}] [[nm] ~ rest] + (acc : _ -> _ -> _ -> m (tr rest)) r1 r2 r3 => + acc' <- acc (r1 -- nm) (r2 -- nm) (r3 -- nm); + f [nm] [t] [rest] ! r1.nm r2.nm r3.nm acc') + (fn _ _ _ => return i) + fl fun mapR [K] [m] (_ : monad m) [tf :: K -> Type] [tr :: K -> Type] (f : nm :: Name -> t :: K -> tf t -> m (tr t)) = |