Re: [heycam/webidl] Given [Constructor, Constructor(DOMString x)], new C(undefined) picks the second (#351) from Boris Zbarsky on 2017-04-26 (public-webapps-github@w3.org from April 2017)

From: Boris Zbarsky <notifications@github.com>
Date: Wed, 26 Apr 2017 05:02:19 -0700
To: heycam/webidl <webidl@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <heycam/webidl/issues/351/297381169@github.com>

As previously mentioned, this is very much by design: overloads discriminate on argc first, and there are specs that depend on that.  If DOMMatrix wants to treat undefined first arg as no args, it should be doing:

    Constructor(optional DOMString transformList)

(or `Constructor(optional sequence<unrestricted double> numberSequence)`) and then handling the "not present" case.

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Received on Wednesday, 26 April 2017 12:02:52 UTC