It appears that this post seems have been interpreted as questioning the design choice of infix vs prefix. I do think that infix is far easier to deal with, and that the array slicing syntax is a joy; what I meant was more about how picking a infix-y datastructure (like Julia) for storing expressions, would seem to limit one's ability to manipulate them ?

I thought the only reason lisp's macros were as powerful, was because one didn't spend all his time parsing stuff.