On Tue, Mar 01, 2022 at 04:04:31PM +0000, Rob Cliffe via Python-ideas wrote:
> I have use cases for "do exactly once".
> Basically a sequence of actions which can be broken off (when something
> goes wrong and the whole process should be aborted, or when something
> succeeds and there is no need to try alternatives) at various points
> with `break`.
class MyBreak(Exception):
pass
try:
do_this()
if condition: raise MyBreak
do_that()
if condition: raise MyBreak
do_next_step()
if condition: raise MyBreak
do_last_step()
except MyBreak:
pass
--
Steve
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