What I don't understand is why generator expressions are not used
as the only way to create generators, leaving 'function' alone.
We have been over this before: to support flows that for-of loops cannot
expression, specifically coroutine libraries such as http://taskjs.org/.
Which is why I keep suggesting block-style generator expressions
in addition to comprehension-style generator expressions. The
equivalent of today's
function*() { ... yield value ... }
would be
function() { return do* { ... yield value ... }}
or, if 'function' peculiarities don't matter, the simpler
() => do* { ... yield value ... }
As far as I can tell, no functionality would go missing. 'function' and
arrow would remain on par and function and generators would
remain separate (but composable) building blocks, leading to a more
modular language spec. You could keep 'function*' as syntactic sugar.
Claus
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