tweak advanced

[lambda.git] / miscellaneous_lambda_challenges_and_advanced_topics.mdwn

diff --git a/miscellaneous_lambda_challenges_and_advanced_topics.mdwn b/miscellaneous_lambda_challenges_and_advanced_topics.mdwn
index 511135a..f05f9fe 100644 (file)
--- a/miscellaneous_lambda_challenges_and_advanced_topics.mdwn
+++ b/miscellaneous_lambda_challenges_and_advanced_topics.mdwn
@@ -476,23 +476,19 @@ can use.
                        let make_list = \h t. \f z continue_handler abort_handler.
                                f h z (\z. t f z continue_handler abort_handler) abort_handler
 
                        let make_list = \h t. \f z continue_handler abort_handler.
                                f h z (\z. t f z continue_handler abort_handler) abort_handler
 

-               now `extract_head` can return the leftmost head directly, using its `abort_handler`:
+               now `extract_head` should return the leftmost head directly, using its `abort_handler`:

 
                        let extract_head = \lst larger_computation. lst
 
                        let extract_head = \lst larger_computation. lst

-                                       ; here's our f

                                        (\hd sofar continue_handler abort_handler. abort_handler hd)
                                        (\hd sofar continue_handler abort_handler. abort_handler hd)

-                                       ; here's our z

                                        junk
                                        junk

-                                       ; here's the continue_handler for the leftmost application of f

                                        larger_computation
                                        larger_computation

-                                       ; here's the abort_handler
-                                       larger_computation  in
+                                       larger_computation

 
        3.      To extract tails efficiently, too, it'd be nice to fuse the apparatus developed
                in these v5 lists with the ideas from the v4 lists, above.
                But that also is left as an exercise.
 
 
 
        3.      To extract tails efficiently, too, it'd be nice to fuse the apparatus developed
                in these v5 lists with the ideas from the v4 lists, above.
                But that also is left as an exercise.
 
 

-5.     Implementing (self-balancing) trees
+5.     **Implementing (self-balancing) trees**

 
        more...
 
        more...