create page

[lambda.git] / exercises / assignment5_hint3.mdwn

diff --git a/exercises/assignment5_hint3.mdwn b/exercises/assignment5_hint3.mdwn
new file mode 100644 (file)
index 0000000..d3d73e2
--- /dev/null
+++ b/exercises/assignment5_hint3.mdwn
@@ -0,0 +1,8 @@
+Consider this pattern:
+
+    # let rec enumerate_from (t:'a color_tree) counter = match t with
+      | Leaf x -> (Leaf counter, counter+1)
+      | Branch (left,col,right) -> let (left',counter') = ... in
+                                   let (right',counter'') = ... in
+                                   ...
+      ;;