Hi,
I have two unrelated questions, and I hope no one will mind my bundling them
together:
1) I'm stumped by the "cross" problem (17.1.2). Although I did manage to dig up
someone else's solution, and do understand it, I would never have recognized it
from the problem description as an instance of
two-lists-with-one-treated-atomically. Aside from its location in the text, is
there a way of looking at this problem that helps identify the technique? Even
knowing the answer, I'm not sure what should have been on my auxiliary function
"wish list."
2) Is there a post or other resource that describes how HTDP methodology can be
applied to programming in other languages? I'm interested in C++, but I imagine
discussions of any imperative language would be helpful.
Thanks!
Jay
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