> so the new syntax would
> not be useful, unless it was something that provided access to the index
> item as a variable, like:
>
> yield foo(i) for i in x
>
> which barely saves you anything (a colon, a newline, and an indent).
Not even that, because you can omit the newline and indent:
for i in x: yield foo(i)
There's a bigger difference between
for i in x: yield i
and
yield from x
Moreover, I can imagine optimization opportunities for "yield from" that
would not make sense in the context of comprehensions.
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