Given that code in editor is for human consumption I wonder why can't it be restructured for compiler to make it fast. (Or why compiler can't make it fast). Aft

Given that code in editor is for human consumption I wonder why can't it be restructured for compiler to make it fast. (Or why compiler can't make it fast). After all - you could leave annotations re, for example structs so compiler knows what will be their size, so can optimize for it