<html>
<head>
<base href="https://bugs.webkit.org/" />
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Web Inspector: Show upcoming values of non-native iterators"
href="https://bugs.webkit.org/show_bug.cgi?id=152682#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Web Inspector: Show upcoming values of non-native iterators"
href="https://bugs.webkit.org/show_bug.cgi?id=152682">bug 152682</a>
from <span class="vcard"><a class="email" href="mailto:utatane.tea@gmail.com" title="Yusuke Suzuki <utatane.tea@gmail.com>"> <span class="fn">Yusuke Suzuki</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=152682#c4">comment #4</a>)
<span class="quote">> cc: Yusuke, what do you recommend doing to implement peeking at next
> iterator values?</span >
I think cloning the user crafted iterator completely is impossible. For example,
function generateIterator() {
var capturedValue = 0;
var iterator = {
[Symbol.iterator]() { return this; }
next() {
return { value: capturedValue++, done: false };
}
};
return iterator;
}
In the above case, deeply cloning the given iterator object is not enough.
I'm +1 on console.previewSymbol :)</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>