Typed Racket is more like type annotations with a checking routine than anything, if you're writing a macro you want generality. You achieve this by omitting t

Typed Racket is more like type annotations with a checking routine than anything, if you're writing a macro you want generality. You achieve this by omitting the type annotation and reverting to normal Racket. You can do macros in a statically typed language, but it would (and does) get ugly fast.