What makes it a bit more complex than it would be in Ruby is the typesafety (what comes after RichSeq). So it's a bit harder to write such a library, but once i

What makes it a bit more complex than it would be in Ruby is the typesafety (what comes after RichSeq). So it's a bit harder to write such a library, but once it's written it's a breeze to use for users because the compiler tells them right away if something is wrong with the type.