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by Abhinav2000
1750 days ago
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Macros let you construct expressions at compile time (not run time). So one can basically create their own programming language in macros, which at compile time expands into the standard language (e.g. lisp). In this way they are powerful for being expressive and also for being highly efficient (as its compile time, not run time). There are many other nifty things you can do as a result, but I am myself not that great. Paul Graham actually wrote the book on macros ('On Lisp'), he's legit :-) |
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