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[Bug 18611] Blob should support Transferable

From: <bugzilla@jessica.w3.org>
Date: Mon, 20 Aug 2012 16:18:43 +0000
Message-Id: <E1T3Ugd-00044a-EU@jessica.w3.org>
To: public-webapps-bugzilla@w3.org
https://www.w3.org/Bugs/Public/show_bug.cgi?id=18611

--- Comment #6 from Glenn Maynard <glenn@zewt.org> 2012-08-20 16:18:43 UTC ---
>From the perspective of scripts, "transferable" has nothing to do with objects
being transferred.  (The mechanics of that are invisible.)  All it means is
that the object is able to be neutered when told to, either via postMessage or
close().  The underlying optimizations this permits are different for different
objects--Blobs to quickly free resources, ArrayBuffers both to free resources
and avoid copies--but that's an implementation detail.  The visible
side-effects are identical.

It seems like a clear simplification to have a uniform API for things that look
identical to scripts.

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