Well, you could also say the Ruby examples are just invoking regular Ruby functions. Either way, you've got what Martin Fowler[1] calls an "internal DSL" (as o

Well, you could also say the Ruby examples are just invoking regular Ruby functions. Either way, you've got what Martin Fowler[1] calls an "internal DSL" (as opposed to an "external DSL", which has a parser and syntax of its own). [1] http://martinfowler.com/bliki/DomainSpecificLanguage.html http://martinfowler.com/bliki/DomainSpecificLanguage.html