--047d7b2edff181b55d04bbc2a8ba Content-Type: text/plain; charset=UTF-8 Ah, that won't work in 1.8. In 1.8 you can rely on the fact that const_defined? does not look into the ancestors. I guess a portable solution will need to have code that depends on the Ruby version. --047d7b2edff181b55d04bbc2a8ba Content-Type: text/html; charset=UTF-8 Ah, that won't work in 1.8.<div><br></div><div>In 1.8 you can rely on the fact that const_defined? does not look into the ancestors. I guess a portable solution will need to have code that depends on the Ruby version.</div> --047d7b2edff181b55d04bbc2a8ba--