I think the original thrust of this thread may have got lost a bit in the (useful) discussion of null and undefined, so coming back to the original point:
On 12 June 2012 16:29, T.J. Crowder <[email protected]> wrote: > In the current default operator strawman[1], the operator is ??, e.g.: > > a = b ?? 5; > > is shorthand for > > a = b !== undefined ? b : 5; > > Would it be possible to use ||| instead? E.g.: > > a = b ||| 5; > > I ask because I was planning (prior to knowing about this strawman!) to > suggest that, along with a different form of ?? (or ???) which introduces > a new ternary operator: > > a = b ?? 5 : 6; > > ...which would be a shorthand form of > > a = b !== undefined ? 5 : 6; > > [1] http://wiki.ecmascript.org/doku.php?id=strawman:default_operator > Does anyone have an opinion on a second ternary a'la the above (syntax notwithstanding). So far we have only my opinion (I like it and would have uses for it; I don't _need_ it), Brendan's ("too thin")[1], and Herby's ("wouldn't hurt")[2]. (Speaking syntactically, I think we all agreed in the other thread that ||| [above] won't work for the infix, because the assignment form just becomes too confusing, as Wes pointed out.[3]) [1] https://mail.mozilla.org/pipermail/es-discuss/2012-June/023468.html [2] https://mail.mozilla.org/pipermail/es-discuss/2012-June/023510.html [3] https://mail.mozilla.org/pipermail/es-discuss/2012-June/023386.html -- T.J.
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