On May 18, 2009, at 2:25 AM, Igor Bukanov wrote:
The remedy for this is simple - the generator can be created using
explicit call like Generator(f, arg1, ... argN). This would turn any
function into a generator and would allow for runtime checks for eval.
You mean yield, not eval, right?
The plus side of this is that an empty generator can be created with a
straightforward:
Generator(function() {})
and not with a rather unnatural
(function() { if (false) yield; })()
No one makes empty generators.
I think this cure is worse than the disease! The problem of yield's
precedence can be solved by mandating parenthesization as Python does
-- or if ugliness prevails, as Neil proposes :-P. It doesn't need more
runtime magic machinery and global constructors that are otherwise
unmotivated.
/be
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