On Wed, Aug 21, 2013 at 7:13 PM, Domenic Denicola <[email protected]> wrote: > From: Tab Atkins Jr. [mailto:[email protected]] > >> Unless you wanted promise-likes to return fresh objects too? > > Yes, that is largely the use case for `Q`/`Promise.as`/whatever. Handing it > untrusted input, possible a non-promise, possibly a promise-like, possibly a > promise, and getting back a trusted promise.
Okay, that makes sense. >> The only way to have a completely reliable type test is to use a WeakSet to >> keep track of instances > > I believe this is what Mark's makeQ.js does. > >> Do you consider WeakMaps sufficient for polyfillability? > > I believe makeQ.js uses a WeakMap polyfill, so yes. Cool. ~TJ _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
