It being readable is a matter of getting used to it. I find it more readable than the block version as there is less syntactic boilerplate. YMMV. Ruby has a si

It being readable is a matter of getting used to it. I find it more readable than the block version as there is less syntactic boilerplate. YMMV. Ruby has a similar version using colon instead of dot but that version isn't chainable and doesn't take arguments so it can't do the *2. And no, you can write out the full block just as you did in the Ruby version.