Greg Barton wrote:
--- On Wed, 2/18/09, Geoffrey De Smet <[email protected]> wrote:
The current workarounds [to undo-then] are clunky:
- Writing an negative (opposite) rule isn't efficient:
it means declaring the rule twice effectively. Also the
negative rule is usually using lots of or's and
not's which isn't fast.
This would be made easier by...drum roll please...the else clause! :)
yes we want OPSJ style else statements, edson has an idea on how to do
that, just a matter of time :(
Now, if there was the else clause plus undo-then/closures you could probably write an entire complex ruleset in one rule. Might as well just use perl, then. :P
heh, that's true you would have potentially encapsulated 4 possible
executions in a single rule.
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