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Re: Writing spec algorithms in ES6?

From: Rick Waldron <waldron.rick@gmail.com>
Date: Thu, 11 Jun 2015 21:16:41 +0000
Message-ID: <CAHfnhfopaMSAQwJEmcx27GMzqVpm5jjGRWC8XtRGXqV8BRfumQ@mail.gmail.com>
To: Domenic Denicola <d@domenic.me>, Dimitri Glazkov <dglazkov@google.com>, public-webapps <public-webapps@w3.org>
On Thu, Jun 11, 2015 at 4:53 PM Domenic Denicola <d@domenic.me> wrote:

> Some previous discussion: [1] especiallly [2]
> In general I think this is a reasonable thing, but it requires a decent
> bit more infrastructure to do things “safely”. For example, consider the
> definition [3]. It's generic in its arguments, which I think is nice (but
> does not fit with Web IDL---whatever). However, it's susceptible to author
> code overriding Array.prototype.join. Similarly, [4] relies upon the
> author-modifiable Math.max and Math.min, not to mention the
> author-modifiable Math binding.

Yep. The correct way to use these is to normatively reference the
Well-Known Intrinsic Objects Table[0] in ES2015, and cite any "extensions".
This is how Ecma 402 and the new SIMD spec ensure object integrity when
referring to built-ins.


Received on Thursday, 11 June 2015 21:17:20 UTC

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