The engines already do these optimizations.
On Sat, Jun 16, 2018 at 1:27 PM Cyril Auburtin <[email protected]> wrote: > I wish JS had Shape objects, which would not only ease performance > optimization for the benefit of JS engines ( > https://youtu.be/5nmpokoRaZI?t=871), but also helps for validation, like > an interface > > ```js > shape Point { x: Number, y: Number, name: String }; > > const p = Point({x: 1, y: 2, name: 'foo'}) > > const p = Point({x: 1, y: 2, naem: 'foo'}) // throws > ``` > > That object would have its properties immutable > > I think proposal-first-class-protocols ( > https://github.com/michaelficarra/proposal-first-class-protocols/issues/27#issuecomment-386975099) > could more or less directly do that feature > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss >
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