Comment by Toutouxc

> speed comes from code re-use (mostly gems)

> Once you get experienced in rails, you primarily glue things together

Both of these are equally true for most other languages with mature ecosystems. IMO the speed of Rails development reflects the speed of Ruby development in general. The standard library has everything, all kinds of little methods for all kinds of little things. Combine that with ActiveSupport extensions and you can do everything.

  Date.today + 3.years + 2.days
  234.in?(2..235)
  [1,2,3].all?(&:odd?)