On 2007-02-15, Gabriel Genellina <[EMAIL PROTECTED]> wrote: >> I'm not sure what you mean. The above support is enough for >> tail recursion, mutual recursion, and any other tail call to >> be "optimized." > > I only want to say that tail *recursion* can be eliminated > trivially transforming the code into a while loop, and that > can be done by the programmer, and doesn't require compiler > support. Head *recursion* can be eliminated too by using some > storage as temporary stack, and that doesn't require external > support either. Mutual recursion (and generic tail call > elimination) require some sort of external support: one can't > eliminate the call just by transforming the program.
Ah, I see now. Had my blinders on. -- Neil Cerutti Low Self-Esteem Support Group will meet Thursday at 7 to 8:30 p.m. Please use the back door. --Church Bulletin Blooper -- http://mail.python.org/mailman/listinfo/python-list
