>>>>> "T" == Tilman Sauerbeck <tilman / code-monkey.de> writes: T> "some_meth" will instantiate a new "Result" object. Using this Result T> object, the caller can wait for the function to succeed, he can register T> callbacks etc. Well it's best if you post the *real* C code : it's easy to understand than this strange language, called english. T> Is there any online documentation about the topic (besides README.EXT T> and the Pickaxe's section on Extending Ruby)? eval.c and gc.c :-) Guy Decoux