I'm not really going to complain about syntax, but if I were... the only thing I don't like is the Ruby vertical bars around closure formal arguments. ES6 smoot

I'm not really going to complain about syntax, but if I were... the only thing I don't like is the Ruby vertical bars around closure formal arguments. ES6 smooth parens and double arrows seem so much more fitting to a function to me. (I mostly write Python). I guess double arrows are used in match and single arrow in function return types, but if there had been a way to use arrows for closures I'd have voted for that.