https://web.archive.org/web/20160322225356/http://wiki.ecmascript.org/doku.php?id=strawman:oldes6 → https://web.archive.org/web/20160310120458/http://wiki.ecmascript.org/doku.php?id=strawman:scoped_object_extensions
On Wed, Jul 5, 2017 at 6:33 PM, Erik Arvidsson <[email protected]> wrote: > We tried to do this in the early Harmony era. We never managed to get this > to work without unacceptable performance and semantic issues. If you dig > around the archives looking for scoped object extensions or method > extensions you can see the discussion that was had. > > It seems like wiki.ecmascript.org is no longer available. The proposal > was up there. Maybe someone has a mirror of it somewhere? > > Erik > > On Wed, Jul 5, 2017, 13:24 T.J. Crowder <[email protected]> > wrote: > >> On Wed, Jul 5, 2017 at 7:10 PM, Boris Cherny <[email protected]> >> wrote: >> > The use case is similar to Scala’s block scoped implicits. In my >> > application code I want Array.prototype.indexOf to return an >> > Option<number>, rather than number | -1. >> >> Why does it have to be called `indexOf`? Why not `fooIndexOf`, where >> `foo` is a short app-specific prefix? Changing the meaning of `indexOf` >> seems like changing black to white and running the risk of getting killed >> at the next zebra crossing. >> >> On Wed, Jul 5, 2017 at 7:42 PM, Boris Cherny <[email protected]> >> wrote: >> > I tried that approach, but it doesn’t work when creating objects >> > via literal notation ([], {}). A bit clumsy to have to write >> > “new Array(1,2,3)", or “Array(1,2,3)” every time. >> >> Surely not too bad if you provide yourself a short array-creation >> wrapper, like `a`? >> >> -- T.J. Crowder >> >> _______________________________________________ >> es-discuss mailing list >> [email protected] >> https://mail.mozilla.org/listinfo/es-discuss >> > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss > >
_______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
