On Mar 17, 2012, at 11:39 AM, Allen Wirfs-Brock <[email protected]> wrote:
> > On Mar 17, 2012, at 2:03 AM, Russell Leggett wrote: > >> ... >> //using : instead of <|, shorten Email.prototype to just Email >> let email = Email:"[email protected]"; > > Basically you are saying that : becomes an expression operator. However, > that creates an ambiguity (and potential backwards compatibility issues) with > the use of : as a statement label designator: > > Email: "[email protected]"; //already valid ES meaning Email is > the label of this statement. Yes, I thought about this potential ambiguity but thought it was no different than the potential ambiguity of block statements vs object liberals and therefore OK. > Email: "[email protected]"; // label > let email = Email: "[email protected]"; // operator Considering the statement form would be useless without assignment, I didn't think it would really cause confusion. > > However, unless I'm overlooking something, :: would work just fine. > > let email = Email :: "ressell.leggett@gmail"; > > I not recall why we haven't seriously considered :: as an alternative to <|. > It certainly eliminates all the typography issues. > > I updated my standing test case to use it: > https://github.com/allenwb/ESnext-experiments/blob/master/ST80collections-exp7.js > > > It looks fine, perhaps not quite as visually distinctive as <| but it > certainly eliminates all the typography issues. > > I think this it it! We should replace the <| symbol with :: Well, cheers to that, I still think it could be just :, but I'll drink to :: over <| any day. > > Allen
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