; 8bit This article has been formatted to be displayed in an HTML e-mail client. If you are seeing this message your e-mail client does not support HTML. To see the article follow this link: ; 8bit Dependent Names and Nondependent Names, Part II td {font-family: "Lucida Grande", Calibri, Arial, Helvetica, Verdana, sans-serif;} a { none; } a:link { color:#004F7F; } a:visited { color:#2E87B2; } a:hover, a:active { color:#004F7F; }C++ Article - Mar 25, 2008C++ Reference Guide by KalevCompilers chalk when they see a statement such as typedef node_allocator. There are two problems here. First, the angle bracket is assumed to be a less-than operator instead of a template parameter indicator because the compiler doesn't know that rebind is a member template. Another parsing problem is caused by the assumption that the dependent qualified name other isn't a type. To instruct the compiler to parse this code correctly, you need to disambiguate the code using two keywords: typename and template. In the second part of Dependent Names and Nondependent Names I show exactly when and how these keywords should be used and walk you through code listings that use plenty of typename declarations, some of which are correct, others are not. A while ago, I posted a list of 30 C++ tips in my blog. Tip #14 is of particular interest. The proper way of declaring a local automatic object is an issue with which you're probably familiar. However, Daveed Vandevoorde pointed out another related problem called the "C++'s vexing parse". You really want to look at it and internalize another syntactic trap that should be avoided. Visit The C++ Reference Guide New Content (See All)C Language Issues for Application SecurityBy John McDonald, Mark Dowd, Justin SchuhMoving C++ and Java Programmers Up the Value ChainBy Stephen B. MorrisBlogs (See All)They're at it againBy Danny Kalev30 C++ Tips in 30 Days: Tip # 14 the corrext syntax for local object instantiation By Danny Kalev30 tips in 30 days: Tip# 30: how you can help improve C++By Danny Kalev New Books and Safari Books Store (See All)Parallel and Distributed Programming Using C++ (paperback)By Cameron Hughes, Tracey HughesPublished by Addison Wesley 12, 2008Premium Member Price: $43.99 USD (Save 20%)C++ GUI Programming with Qt4, 2nd EditionBy Jasmin Blanchette, Mark by Prentice Hall–Feb 4, 2008Premium Member Price: $47.99 USD (Save 20%)Safari Books (See All)Outside-in Software Development: A Practical Approach to Building Successful by IBM Press–Sep 24, 2007 Submit Your Google Android QuestionsDan Morrill, a developer advocate for Android at Google, has agreed to answer your questions about Google's mobile phone OS. Send us your questions, and if yours is answered by Dan, we'll send you one of our books. Email your questions to with "Android Q&A" in the subject line. For more information, visit our Rules page. All questions must be received by midnight EDT on March 30, 2008. Read Danny's Blog Read Danny Kalev's blog on all things C++, or see all of our programming blogs. Grab Our C++ RSS Feeds You can get our C++ Reference Guide additions or our Programming or C++ Articles and Sample Chapters in your RSS Aggregator. Become a Member and Save! Profile yourself with InformIT and you'll receive an additional discount off many titles in the InformIT Store. Free Safari Library Pass Get online access to more than 5,000 books and video from leading technology publishers, including Addison-Wesley, Cisco Press, Exam Cram, IBM Press, Prentice Hall, Que, and Sams Publishing. Learn how to get your Free Safari Library pass. Learn how to get your free Safari Library Pass. © Copyright 2008 Pearson Education, Inc. - division. All rights reserved. 800 East 96th Street Indianapolis, Indiana 46240 Change your e-mail address or update your profile . To purchase from this article, or from all InformIT articles, visit our purchase page and follow the posted instructions. questions, or feedback on the site or the article.

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