John Joyce wrote:
> to the OP, Of course with your won individual modules/libraries 
> loaded/required, you can alias yield to be whatever isn't already taken 
> by something else. Ideas for aliases: yield_to, call_block, step_out, 
> segway, divert, fork, short_fork, lunch_break, junk_time, call_junk, 
> goto ((hehehe...))

yield is a keyword. It can't be renamed or aliased.

- Charlie