Ah OK, I misread the code, all I saw was "future" and got confused. Didn't see that it was about an economic calendar.
I would actually use negative indexing to look into the past, and positive to look into the future. There is precedent for this in open source tools as far as I know.
I would actually use negative indexing to look into the past, and positive to look into the future. There is precedent for this in open source tools as far as I know.