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Re: What changes to Web Messaging spec are proposed? [Was: Re: Using ArrayBuffer as payload for binary data to/from Web Workers]

From: David Levin <levin@chromium.org>
Date: Wed, 22 Jun 2011 00:14:30 -0700
Message-ID: <BANLkTi=w4-Wwum5zy4Q88-0c9O-bUbOZkQ@mail.gmail.com>
To: Glenn Maynard <glenn@zewt.org>
Cc: Jonas Sicking <jonas@sicking.cc>, Ian Hickson <ian@hixie.ch>, Andrew Wilson <atwilson@google.com>, Kenneth Russell <kbr@google.com>, Arthur Barstow <art.barstow@nokia.com>, Dmitry Lomov <dslomov@google.com>, ben turner <bent.mozilla@gmail.com>, "public-webapps@w3.org" <public-webapps@w3.org>, Travis Leithead <Travis.Leithead@microsoft.com>
On Tue, Jun 21, 2011 at 11:43 PM, Glenn Maynard <glenn@zewt.org> wrote:

> On Wed, Jun 22, 2011 at 1:57 AM, David Levin <levin@chromium.org> wrote:
>> Let's say the call doesn't throw when given a type B that isn't
>> transferrable.
>> Let's also say some later changes the javascript code and uses B after the
>> postMessage call.
>> Everything work. No throw is done and B isn't "gutted" because it isn't
>> transferrable.
> Throwing for unsupported objects will break common, reasonable uses, making
> everyone jump hoops to use transfer.  Not throwing will only break code that
> seriously misuses the API, by listing objects for transfer and then
> continuing to use the object.

Code always seriously misuses apis. See Raymond Chen's blog for numerous
examples if you have any doubt (http://blogs.msdn.com/b/oldnewthing/).
Received on Wednesday, 22 June 2011 07:15:15 UTC

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