The main advantage of homoiconicity is that it lets you write macros more easily and safely. This Stack Overflow answer lists some reasons why this is so: http:

The main advantage of homoiconicity is that it lets you write macros more easily and safely. This Stack Overflow answer lists some reasons why this is so: http://stackoverflow.com/a/9146303/578288 http://stackoverflow.com/a/9146303/578288. Macros are good because they let you refactor repetitive bits of code that functions can’t refactor. With the extra refactoring, your program is simpler and easier to modify, because its abstractions are more apt.