[Webkit-unassigned] [Bug 160800] New: Add a helper class for enumerating elements in an iterable object

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=160800

            Bug ID: 160800
           Summary: Add a helper class for enumerating elements in an
                    iterable object
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rniwa at webkit.org
                CC: fpizlo at apple.com, ggaren at apple.com,
                    keith_miller at apple.com, utatane.tea at gmail.com

I want to improve the support for sequence<T> in WebIDL (http://heycam.github.io/webidl/#create-sequence-from-iterable),
and that requires me to enumerate items in an iterable object in WebCore.

I could manually call iteratorStep, iterhatorClose, but that seemed rather error prone for WebCore hackers.
So I'm thinking of adding a new helper class that nicely wraps it around.

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