See my comment here for all the details regarding implicit typing and why we don't currently do it: https://news.ycombinator.com/item?id=36920963 https://news.y

See my comment here for all the details regarding implicit typing and why we don't currently do it: https://news.ycombinator.com/item?id=36920963 https://news.ycombinator.com/item?id=36920963. But we give you nice error messages if types don't match.