[Python-ideas] Revised^4 PEP on yield-from

[Greg Ewing]

Guido van Rossum wrote:

> Seconded -- but I would make it inherit from StopIteration so that the
> for-loop (unless modified) would just ignore it.

But is there really any good reason to use a
different exception?

Currently, 'return' without a value in an ordinary
function is equivalent to 'return None'. If this
is done, they wouldn't be equivalent in generators,
since they would raise different exceptions.

-- 
Greg