I guess all built-in iterators return themselves for `Symbol.iterator` protocol. So they are all "singletons". I described in detail where confusion/substitution of concepts happens in that analysis in the recent two comments.
Dmitry On Mon, Apr 6, 2015 at 1:07 PM, joe <joe...@gmail.com> wrote: > Regardless of what the spec says, you cannot avoid singleton iterators in > real-world code. In my opinion, the spec should refrain from specifying > when object creation happens within the iteration protocol, wait for the > relevant code and contract patterns to develop and then include something > in ES7. > > On Sun, Mar 29, 2015 at 12:08 AM, Dmitry Soshnikov < > dmitry.soshni...@gmail.com> wrote: > >> Good write up, although "fresh vs singleton" topic doesn't make sense, >> and doesn't reflect the spec. I responded on the gist. >> >> Dmitry >> >> On Sat, Mar 28, 2015 at 4:41 AM, Axel Rauschmayer <a...@rauschma.de> >> wrote: >> >>> FWIW: I have written down my understanding of the ES6 iteration protocol >>> (shaped by discussions I had on this mailing list). >>> >>> https://gist.github.com/rauschma/73e5f86a595b7709f39e >>> >>> -- >>> Dr. Axel Rauschmayer >>> a...@rauschma.de >>> rauschma.de >>> >>> >>> >>> >>> _______________________________________________ >>> es-discuss mailing list >>> es-discuss@mozilla.org >>> https://mail.mozilla.org/listinfo/es-discuss >>> >>> >> >> _______________________________________________ >> es-discuss mailing list >> es-discuss@mozilla.org >> https://mail.mozilla.org/listinfo/es-discuss >> >> >
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