shithub: MicroHs

Download patch

ref: 445efb64b9d57131d40cf7c7318c176ecf97ab61
parent: f63867c6adcb110682f7b5b3ff180c6a5280e53e
parent: 71fe581917d7014d72c6d9966a134e04f7d1b5aa
author: Lennart Augustsson <lennart@augustsson.net>
date: Sat Jan 20 15:00:18 EST 2024

Merge branch 'master' of github.com:augustss/MicroHs

--- a/src/MicroHs/Desugar.hs
+++ b/src/MicroHs/Desugar.hs
@@ -541,8 +541,7 @@
       (drops, keeps) = splitAt arity as
       -- reverse n-ary apply
       app :: [Ident] -> Exp -> Exp
-      app [] e = e
-      app (v:vs) e = app vs $ App e (Var v)
+      app vs e = apps e (map Var vs)
       -- Replace n recursive args with call to vfcn'
       repl :: [Ident] -> Exp -> Exp
       repl vs (Lam i e) = app vs $ Lam i $ repl [] e
@@ -552,11 +551,7 @@
       repl vs (Var v)
         | v == fcn && take arity vs == drops = app (drop arity vs) $ vfcn'
       repl vs e = app vs e
-      -- n-ary lambda
-      lam :: [Ident] -> Exp -> Exp
-      lam [] e = e
-      lam (v:vs) e = Lam v $ lam vs e
   in  if arity > 0
-      then (fcn, lam drops $ letRecE fcn' (lam keeps (repl [] body)) vfcn')
+      then (fcn, lams drops $ letRecE fcn' (lams keeps (repl [] body)) vfcn')
       else def
 lazier def = def
--