[Python-ideas] Proto-PEP on a 'yield from' statement
python at rcn.com
Fri Feb 13 04:08:41 CET 2009
>I would think that in addition to forwarding send values to the
> subgenerator, that throw exceptions sent to the delegating generator
> also be forwarded to the subgenerator. If the subgenerator does not
> handle the exception, then it should be re-raised in the delegating
> generator. Also, the subgenerator close method should be called by the
> delegating generator.
I recommend dropping the notion of forwarding from the proposal.
The idea is use-case challenged, complicated, and should not be
hidden behind new syntax.
Would hate for this to become a trojan horse proposal
when most folks just want a fast iterator pass-through mechasism:
for var in vars:
yield from itertools.repeat(var, n)
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