porting WIP

done/Lib/Util.newt

@@ -0,0 +1,26 @@
+module Lib.Util
+
+import Lib.Types
+
+
+funArgs : Tm -> (Tm × List Tm)
+funArgs tm = go tm Nil
+  where
+    go : Tm -> List Tm -> (Tm × List Tm)
+    go (App _ t u) args = go t (u :: args)
+    go t args = (t, args)
+
+data Binder : U where
+  MkBind : FC -> String -> Icit -> Quant -> Tm -> Binder
+
+-- I don't have a show for terms without a name list
+
+instance Show Binder where
+  show (MkBind _ nm icit quant t) = "(\{show quant}\{nm} \{show icit} : ... :: Nil)"
+
+splitTele : Tm -> (Tm × List Binder)
+splitTele = go Nil
+  where
+    go : List Binder -> Tm -> (Tm × List Binder)
+    go ts (Pi fc nm icit quant t u) = go (MkBind fc nm icit quant t :: ts) u
+    go ts tm = (tm, reverse ts)