Macros let you change the syntax, roughly speaking. With a library, you're still calling the library with standard syntax. E.g. https://en.m.wikipedia.org/wiki

Macros let you change the syntax, roughly speaking. With a library, you're still calling the library with standard syntax. E.g. https://en.m.wikipedia.org/wiki/Anaphoric_macro https://en.m.wikipedia.org/wiki/Anaphoric_macro