add types to metas, find example that needs postpone

src/Lib/ProcessDecl.idr

@@ -76,9 +76,13 @@ processDecl (Def fc nm clauses) = do
   tm' <- zonk ctx 0 [] tm
   putStrLn "NF \{pprint[] tm'}"
   mc <- readIORef ctx.metas
+
+  -- Maybe here we try search?
+
+
   for_ mc.metas $ \case
     (Solved k x) => pure ()
-    (Unsolved (l,c) k xs) => do
+    (Unsolved (l,c) k xs ty) => do
       -- should just print, but it's too subtle in the sea of messages
       -- we'd also need the ability to mark the whole top context as failure if we continue
       -- putStrLn "ERROR at (\{show l}, \{show c}): Unsolved meta \{show k}"