Right, you can use _ as the placeholder for a type and it works with the bounds syntax. I probably did not make it clear enough - my point was that Java is also

Right, you can use _ as the placeholder for a type and it works with the bounds syntax. I probably did not make it clear enough - my point was that Java is also not as "simple" (for some definition of "simple" the author could use) as you'd expect. For good reasons too - these bounds are useful to have sometimes!