> It seems easy enough to define a class that has a @@iterator() {return this}
> method and then to subclass class it for you specific Iterables.
One more thing that might be problematic with the current approach: If you
create combinators for iterators (similar to Python’s itertools [1]) then the
returned iterators also need to implement this pattern. Otherwise, for-of
couldn’t iterate over them. Example:
for(let elem of filter(keys(myObj), x => x.length > 0)) {
}
Thus, the pattern becomes the norm instead of the exception. Then again, maybe
that’s not a big deal, either.
[1] http://docs.python.org/3/library/itertools.html
--
Dr. Axel Rauschmayer
[email protected]
home: rauschma.de
twitter: twitter.com/rauschma
blog: 2ality.com
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