On Mon, Jun 30, 2014 at 1:26 PM, Andreas Rossberg <[email protected]> wrote:
> On 30 June 2014 19:01, Rick Waldron <[email protected]> wrote: > > On Mon, Jun 30, 2014 at 10:27 AM, Jan Keromnes <[email protected]> wrote: > >>> > >>> I'd just like to add that "joke requests" like Math.TAU that have no > >>> place in the language specification itself generate a considerable > >>> amount of overhead for those of us who keep up with the mailing list. > >> > >> I don't think asking for Math.TAU was a "joke request". It's rather a > >> request for a convenient short-cut to the value `Math.PI * 2`, of which > the > >> utility and judiciousness can be debated. Sorry if I'm adding noise to > this > >> less-interesting thread, but I feel the issue is being dismissed without > >> adequate consideration. I'm looking forward to Brendan championning it > at > >> the next TC39 meeting, so that we can accept or dismiss it with a proper > >> review. > >> > >> My take is that having Math.TAU would end this kind of madness: > >> https://github.com/search?q=%22Math.PI*2%22&ref=searchresults&type=Code > > > > Probably not-so-coincidentally, I have almost the same search url saved > in > > notes I'm preparing for discussion at the next TC39 meeting. If you > remove > > the "Math." part, there are 20,288 more matches: > > https://github.com/search?q=%22PI*2%22&type=Code&ref=searchresults if > you > > add spaces between PI, *, 2 there are over 3000 more matches. When the > parts > > of the term are flipped around as "2*PI": > > https://github.com/search?q=%222*PI%22&type=Code&ref=searchresults > (137,134 > > matches for those that don't want to click). Then variations of > "math.PI", > > "Math.PI" with or without spaces will yield several thousand more for > each. > > Come on. By that metric, we should immediately introduce a toplevel > binding `OP` as a synonym for Object.prototype, because a gazillion > lines of JS code out there contain it -- that would actually save 14 > characters each, as opposed to 1 for Math.TAU. If I were arguing for `MP` as a synonym for `Math.PI` then this argument would hold, but I'm not so it doesn't. And we could probably > come up with 100 more constants and abbreviations of equivalent > utility in less than 3 minutes. > We're not talking about simple abbreviations. Rick
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