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Bottom-Up vs Top-Down Macroexpansion

Name: Anonymous 2014-06-20 6:51

What if we macroexpand depth-first? Don't you think that macros get more powerful?

Name: Anonymous 2014-06-22 11:59

How would you implement this? You can't know the output of a ``real macro'' without running the macroexpansion function on the body. Of course, if you're talking about Scheme-like macros, it would be feasible.

Care to give a few examples of how it would be more powerful?

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