Elaborating record patterns

1 files changed, 12 insertions, 1 deletions

diff --git a/src/elab_print.sml b/src/elab_print.sml
index 0e7fe7d7..d0ff8d5f 100644
--- a/src/elab_print.sml
+++ b/src/elab_print.sml
@@ -220,8 +220,19 @@ fun p_pat' par env (p, _) =
       | PCon (pc, SOME p) => parenIf par (box [p_patCon env pc,
                                                space,
                                                p_pat' true env p])
+      | PRecord (xps, flex) =>
+        let
+            val pps = map (fn (x, p) => box [string x, space, string "=", space, p_pat env p]) xps
+        in
+            box [string "{",
+                 p_list_sep (box [string ",", space]) (fn x => x)
+                 (case flex of
+                      NONE => pps
+                    | SOME _ => pps @ [string "..."]),
+                 string "}"]
+        end
 
-val p_pat = p_pat' false
+and p_pat x = p_pat' false x
 
 fun p_exp' par env (e, _) =
     case e of