-------------------------- Dammit babies, you've got to be kind.
On Tue, 7 May 2019 at 05:58, Ates Goral <a...@magnetiq.com> wrote: > This topic has been discussed a long time ago and has stalled on > discussions of a standard library. > > Coming back to the idea of adding some basic math operations directly > on Math, there could be value in adding at least the following (from > Isiah Meadows's post): > > > - `a + b` -> `Math.add` -> `:+` > > - `a - b` -> `Math.sub` -> `:-` > > - `a * b` -> `Math.mul` -> `:*` (different from `imul`) > > - `a / b` -> `Math.div` -> `:/` > > `Math.add`: Among potentially other things, this could be useful for > an out-of-the-box, terse way to add up items in an array. So, instead > of: > > ``` > array.reduce((sum, item) => sum + item); > ``` > > Items could be added up with: > > ``` > array.reduce(Math.add); > ``` > > `Math.sub`: Among potentially other things, this could be useful for > sorting numbers without having to define a custom comparator (i.e. almost > as > an out-of-the-box riposte to the "JavaScript WTF" refrain of > lexicographically sorting numbers by using the default sort > implementation.) So, instead of: > > ``` > array.sort((first, second) => first - second); > ``` > > Numbers could be sorted with: > > ``` > array.sort(Math.sub); > ``` > > `Math.mul` and `Math.div`: I don't have a compelling use case in mind, > but I'd just throw these in for good measure / symmetry. > > Ates > _______________________________________________ > es-discuss mailing list > es-discuss@mozilla.org > https://mail.mozilla.org/listinfo/es-discuss >
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