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Maintainer of Boost.Bind and Boost.Lambda
by Thomas Heller 17 Mar '11

17 Mar '11

Hi all, Who are the maintainers of Boost.Bind and Boost.Lambda? I couldn't find a list of active maintainers of the different boost libraries. I think such a list would be great in general. Regards, Thomas

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Boost profile for ODB
by Boris Kolpackov 17 Mar '11

17 Mar '11

Hi, I would like to briefly mention that we have released the Boost profile for ODB, an open-source object-relational mapping (ORM) system for C++. The Boost profile provides glue code that seamlessly integrates various Boost components, such as smart pointers, containers, and value types, with ODB. This initial release of the profile covers the most commonly used types from the smart_ptr, unordered, and date_time Boost libraries. For example, now we can easily persist a class like this: #pragma db object class employee { ... boost::gregorian::date born_; boost::unordered_set<std::string> emails_; boost::shared_ptr<employer> employer_; }; For a more detailed discussion of the Boost profile, see the following blog post: http://www.codesynthesis.com/~boris/blog/2011/03/16/odb-1-2-0-released/ Or refer directly to Part III, "Profiles" in the ODB Manual: http://www.codesynthesis.com/products/odb/doc/manual.xhtml#III Boris

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[Review] Boost.Type Traits Extension by Frederic Bron
by Joachim Faulhaber 17 Mar '11

17 Mar '11

... went accidental to Boost-users only 2011/3/17 Joachim Faulhaber <afojgo(a)googlemail.com>: > 2011/3/17 Paul A. Bristow <pbristow(a)hetp.u-net.com>: >> * Some simpler (trivial even) examples might help newcomers to the library? >> The examples given are 'interesting' but quite complicated. > > Are there examples in the docs? > > As far as I can see, there is an example on the implementation only. > No examples on usage. They seem to be missing from the > libs/type_traits/example directory as well. > > Regards, > Joachim > > P.S.: Thanks to Frederic (and assisting operatorists) for this effort > and good teamwork. The library extension looks pretty well to me :) > > -- > Interval Container Library [Boost.Icl] > http://www.joachim-faulhaber.de

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[asio] Read timeout and failures
by Mr. Robert G Palmer Jr. 17 Mar '11

17 Mar '11

I'm running boost v1.45 on WindowsXP SP3 I've read all the stuff on using async reads if you want a timeout and I'm going to switch to the from my current synchronous read code. However, I have a question regarding failures. I have been using a synchronous read_some() call. This states that it will return/throw an error/exception on an error condition. If I'm connected on a TCP socket to another device and I UNPLUG the network cable, does this not shutdown the socket and shouldn't the read_some() return/throw an error/exception. Unplugging the cable seems like an error condition to me, but in my case, the code just hangs at the read_some() call and never returns. Thanks, -- Robert G. Palmer, Jr. Ingenutec, LLC

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[guild][pool] Improving the doxygen generation
by Vicente Botet 17 Mar '11

17 Mar '11

Hi Paul, I have checked how other libraries avoid to have some macros in the interface as for example static char *malloc BOOST_PREVENT_MACRO_SUBSTITUTION(const size_type bytes); or BOOST_STATIC_CONSTANT(unsigned, min_alloc_size = (::boost::de↵ tails::pool::ct_lcm< sizeof(void *), sizeof(size_type)>::value)); It seems that you need to add the following in the Jamfile "PREDEFINED=\"BOOST_PREVENT_MACRO_SUBSTITUTION\" \\ \"BOOST_STATIC_CONSTANT(T,V)=static x const y\" \\ It will be great if you can add to the guild/mylibrary the usual macros that are used by some libraries at the interface level as \"BOOST_DEDUCED_TYPENAME=typename\" \\ \"BOOST_CONSTEXPR=constexpr\" \\ HTH, Vicente -- View this message in context: http://boost.2283326.n4.nabble.com/guild-pool-Improving-the-doxygen-generat… Sent from the Boost - Dev mailing list archive at Nabble.com.

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Re: [boost] [Boost-commit] svn:boost r70044 - in trunk/tools/quickbook: . src
by Steven Watanabe 17 Mar '11

17 Mar '11

AMDG On 03/16/2011 05:13 PM, dnljms(a)gmail.com wrote: > +import os ; > + > project quickbook > : requirements > <toolset>gcc:<c++-template-depth>300 > @@ -16,6 +18,11 @@ > <toolset>darwin:<cflags>-g0 > ; > > +if [ os.name ] = NT > +{ > + lib shell32 ; > +} > + This doesn't need to be declared conditionally. > exe quickbook > : > quickbook.cpp > @@ -50,4 +57,5 @@ > <toolset>msvc:<cxxflags>/wd4800 > <toolset>msvc:<define>_CRT_SECURE_NO_DEPRECATE > <toolset>msvc:<define>_SCL_SECURE_NO_DEPRECATE > +<os>NT:<library>shell32 > ; Shouldn't this be using <target-os>windows, instead of <os>? In Christ, Steven Watanabe

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[quickbook] Intsallation
by Lorenzo Caminiti 17 Mar '11

17 Mar '11

Hello all, What is the best way to properly install Boost.QuickBook on Windows? The documentation instructions have broken links... I cannot get Igor's xsltproc installation link to work... Thank you. -- Sent from my mobile device Lorenzo

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using detail/no_exceptions_support.hpp in user code
by Krzysztof Czainski 16 Mar '11

16 Mar '11

Hello, Since no_exceptions_support.hpp is in boost/detail, I assume it isn't meant to be used in user code. However, I find it useful, and I expect many people to find it useful as well. So, could no_exceptions_support.hpp be moved out of boost/detail? Regards, Kris

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OK to remove Concept related config macros?
by John Maddock 16 Mar '11

16 Mar '11

I notice we have some Boost.Config macros related to C++0x concepts, except of course concepts are no longer part of C++0x... anyone object if I remove these along with their associated tests? Regards, John.

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is_base_of: bug in trunk, not in sandbox
by Frédéric Bron 16 Mar '11

16 Mar '11

Thanks to Christopher Jefferson, I discovered a bug in the trunk (in fact in 1.46.0) for is_base_of in the type_traits library. is_base_of<int, int>::value should be true according to the doc: "is_base_of<Base, Base>::value is an integral constant expression that evaluates to true: a class is regarded as it's own base. However the following program prints 0 and not 1 with g++ 4.4.5 on linux: #include <boost/type_traits/is_base_of.hpp> #include <iostream> int main() { std::cout<<::boost::is_base_of<int, int>::value<<'\n'; return 0; } Using the sandbox version of is_base_of works just fine. This makes my type trait extension fail on 6 tests when using only the trunk (for the 6 comparison operators). I have a workaround for my extension which is to add "or is_same<T, U>" but it would be better if is_base_of would work correctly. Frédéric

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