Title: [122491] trunk/Source/WTF
- Revision
- 122491
- Author
- [email protected]
- Date
- 2012-07-12 12:12:08 -0700 (Thu, 12 Jul 2012)
Log Message
Document ListHashSet iteration guarantees
https://bugs.webkit.org/show_bug.cgi?id=91106
Reviewed by Eric Seidel.
* wtf/ListHashSet.h:
(WTF): Expand class comment to document this.
Modified Paths
Diff
Modified: trunk/Source/WTF/ChangeLog (122490 => 122491)
--- trunk/Source/WTF/ChangeLog 2012-07-12 19:02:04 UTC (rev 122490)
+++ trunk/Source/WTF/ChangeLog 2012-07-12 19:12:08 UTC (rev 122491)
@@ -1,3 +1,13 @@
+2012-07-12 Maciej Stachowiak <[email protected]>
+
+ Document ListHashSet iteration guarantees
+ https://bugs.webkit.org/show_bug.cgi?id=91106
+
+ Reviewed by Eric Seidel.
+
+ * wtf/ListHashSet.h:
+ (WTF): Expand class comment to document this.
+
2012-07-11 Mark Rowe <[email protected]>
<http://webkit.org/b/91024> Build against the latest SDK when targeting older OS X versions.
Modified: trunk/Source/WTF/wtf/ListHashSet.h (122490 => 122491)
--- trunk/Source/WTF/wtf/ListHashSet.h 2012-07-12 19:02:04 UTC (rev 122490)
+++ trunk/Source/WTF/wtf/ListHashSet.h 2012-07-12 19:12:08 UTC (rev 122491)
@@ -34,6 +34,10 @@
// order - iterating it will always give back values in the order
// in which they are added.
+ // Unlike iteration of most WTF Hash data structures, iteration is
+ // guaranteed safe against mutation of the ListHashSet, except for
+ // removal of the item currently pointed to by a given iterator.
+
// In theory it would be possible to add prepend, insertAfter
// and an append that moves the element to the end even if already present,
// but unclear yet if these are needed.
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