March 2012 - Boost - lists.preview.boost.org

[xpressive] Does '_' match newlines?
by Robert Dailey 19 Mar '12

19 Mar '12

I have the following static regex: sregex filename_re = icase("Content-Disposition:") >> -*_ >> "filename=" >> (s2=-+_) >> ';' ; I want the "*_" part to also match newline characters. I didn't see any flag to turn this on or off. Is this on by default? I see boost::xpressive::regex_constants::syntax_option_type::not_dot_newline, but not sure where you would (or wouldn't) specify this. I only recall the ability to specify flags for a regex when you compile a dynamic regex, not a static one. Help is appreciated! --------- Robert Dailey

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new Overload library version
by Marco Cecchetti 19 Mar '12

19 Mar '12

Hi everyone! I noticed that an overloaded function utility has appeared under boost/functional as a spin-off of Camiti's Boost.Local library. Indeed on 2007 I had begun implementing something similar. All started from a Joel de Guzman's post where he showed a proof of concept of a thin-wrapper of several Boost.Functions. See: http://lists.boost.org/Archives/boost/2007/09/127906.php On that code base, I designed Overload, a small library whose interface matches as much as possible Boost.Function interface. Some documentation was written down thanks to the help and support of Dean M. Berris. Due to lack of time and the small amount of use cases I stopped spending my time on such a project. Anyway lately I have been working on the Overload library again. I have performed a light re-design of the interface, added a few new features and a lot of more testing, finally I've got to improve documentation. I uploaded the new version on the sandbox. In case you are interested these are the links: - library: http://svn.boost.org/svn/boost/sandbox/overload/trunk/ - documentation: http://svn.boost.org/svn/boost/sandbox/overload/trunk/libs/overload/docs/ht… Please don't reply to me about the not so proper library name, I could change it but it is a secondary issue. Regards, -- Marco -- Using Opera's revolutionary e-mail client: http://www.opera.com/mail/

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[chrono] [thread] Test names too long
by Steven Watanabe 19 Mar '12

19 Mar '12

AMDG When I try to run the tests for Boost.Thread or Boost.Chrono I get an error like: failed to write output file '..\bin.v2\libs\chrono\test\basic_stopwatch_reporter _laps_accumulator_set_pass_shared.test\msvc-10.0express\debug\asynch-exceptions- on\threading-multi\stopwatch\basic_stopwatch_reporter_laps_accumulator_set_pass. obj.rsp'! Could the names possibly be made shorter? I can get it to build using --hash, but they're still rather long. In Christ, Steven Watanabe

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Re: [boost] size() type
by Olaf van der Spek 18 Mar '12

18 Mar '12

Hi, Any progress on these tickets? Would be nice to have a solution. size() return type should be size_type, not difference_type: https://svn.boost.org/trac/boost/ticket/5971 data() for iterator_range: https://svn.boost.org/trac/boost/ticket/5930 Greetings, -- Olaf

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[git] git-repo?
by Oliver Kowalke 18 Mar '12

18 Mar '12

I'm wondering about Beman Dawes 'Moving Boost to Git' on C++ Now! - has boost an official git-repo? Could I use it instead of svn-trunk? regards, Oliver

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[Range] Path for Bug 5993
by Julien Nitard 18 Mar '12

18 Mar '12

Hi All, Would it be possible to apply the patch I have just submitted to trac on bug 5993 ? It should be pretty harmless. https://svn.boost.org/trac/boost/ticket/5993 Many thanks, Julien

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GSoC Proposal
by Subrata Biswas 18 Mar '12

18 Mar '12

Dear Sir/Madam, I want to design a new IPC for Linux(Which can be extended for windows and mac also) as a project in Google Summer of Code. I have already started it and developed its very basic prototype. I have also written the proposal according to your format. But I could not find the email id where I can send my proposal. I have used your irc but hardly anyone were available there. Can u kindly provide me the links where I can send my project proposal and direcly interact with the mentors. I hope my "Smart IPC" may enrich the smart boost c++ libraries towards smarter c++ libraries. -- Thanking You, Regards Subrata Biswas MTech (pursuing) Computer Science and Engineering Indian Institute of Technology, Roorkee Mob: +91 7417474559

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C++ Now! Conference Program Highlights C++11
by Jon Kalb 17 Mar '12

17 Mar '12

C++ Now! (formerly BoostCon) is pleased to announce its 2012 program with 35+ inspiring C++ practitioners delivering more than fifty technical sessions. In honor of the release of the new C++11 standard, this May's conference will, for the first time, be offered in three tracks. In addition to the sessions that attendees have come to expecton topics like library design and usage, programming techniques, best practices, academic research, development tools, concurrency, reliability, and performancethis year's program includes a full track devoted to C++11 <http://cppnow.org/locations/c11/> and three keynotes by industry luminaries <http://cppnow.org/overview/> . For those eager to get on board with the new standard, the C++11 content features fifteen hours of tutorial material covering the most important new features and APIs, presented, in many cases, by the language designers themselves. C++ Now! is offering the most complete C++11 tutorial coverage of any conference this year! Conference speakers include book and library authors, academics, C++ Standard Committee members, tool builders, architects, and engineers. With our very high presenter-to-audience ratio, attendees will have ample opportunity for one-on-one interaction with leaders who are currently defining the state of the art in C++. Dave Abrahams, the conference co-chair, writes, "We planned for an expansion, but even I am surprised at the presenter response and the resulting depth of this year's program. I'm preparing for a flood of new attendees." Reserve your place today at http://cppnow.org/registration C++ Now! 2012, held May 13-18 in Aspen Colorado is hosted by Boost in cooperation with ACM. * Complete program: http://cppnow.org/schedule * Speakers: http://cppnow.org/participants * Registration: http://cppnow.org/registration Jon

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[format] Mistake in documentation
by Yakov Galka 17 Mar '12

17 Mar '12

The current documentation ( http://www.boost.org/doc/libs/1_49_0/libs/format/doc/format.html) says: "In the Open-group specification, referring to the same argument several times (e.g. *"%1$d %1$d"*) has undefined behaviour." Perhaps it was right some time ago, but it's not longer true. The Open-group specification ( http://pubs.opengroup.org/onlinepubs/009695399/functions/fprintf.html) explicitly allows this: "In format strings containing the "%*n*$" form of conversion specification, numbered arguments in the argument list can be referenced from the format string as many times as required." Thank you, -- Yakov

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Begin Contributing to Boost
by Sathyam Vellal 17 Mar '12

17 Mar '12

Hi. I would like to contribute to the Boost.Graph library. The issues and challenges are presented here < http://www.boost.org/doc/libs/1_49_0/libs/graph/doc/challenge.html> Can somebody please guide me how to begin? I'd really love to be a part of this community! -- Sathyam M Vellal

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