Oh god. I guess Rust designers have not foresee a function taking 5 parameters. At this point, somehow, I'm starting to consider C++ templates beautiful! Perha

Oh god. I guess Rust designers have not foresee a function taking 5 parameters. At this point, somehow, I'm starting to consider C++ templates beautiful! Perhaps a signature form like: template <FutureA, FutureB, ValueA, ValueB, Error> pub fn try_join() ... etc. would be clearer at this point.