gauss:stackfull brian$ bin/mspec ci library/digest -fs
rubinius 0.11.0-dev (ruby 1.8.6) (ac3e96cca 12/31/2009) [i686-apple-darwin9.6.0]

Digest::MD5#<<
- can update

Digest::MD5#block_length
- returns the length of digest block

Digest::MD5#digest!
- returns a digest and can digest!

Digest::MD5#digest_length
- returns the length of computed digests

Digest::MD5#digest
- returns a digest

Digest::MD5.digest
- returns a digestterminate called after throwing an instance of 'rubinius::TypeError'