Yeah, the Rails code is pretty easy to follow too: https://github.com/rails/rails/blob/f3e1b21ca91afbd97f33d1e51808dd320d82b4de/activesupport/lib/active_support

Yeah, the Rails code is pretty easy to follow too: https://github.com/rails/rails/blob/f3e1b21ca91afbd97f33d1e51808dd320d82b4de/activesupport/lib/active_support/message_verifier.rb#L30 https://github.com/rails/rails/blob/f3e1b21ca91afbd97f33d1e5...