At minimum, I'd love an opt-in rule that will warn me on every array subscript (sort of like a compiler-warning version of ! that signals other unsafe code in Swift but is absent for array ...

It is the very first thing you must check before doing anything else. If the corresponding Workbook is unavailable or not selected when compiling the VBA script ...

I happened to come across this bug with spearmint, available at spearmint.pw. The description of this bug is, when you go to compile opus, the compiler gives out 4 ...