Hello, I'm trying to build some projects using Boost 1.55 and VS2013 RC targeting Visual Studio 2013 RC (v120), i.e. MSVC12. I'm currently getting a problem with Boost.Signals2. After much head scratching, I created a test project lifting the simplest Hello World example from the Boost.Signals2 docs. It works, but adapting to receive the "Hello, World!" string, it fails. Also note, oddly, adding the result_type typedef is required whereas it is not under MSVC11. Any ideas? BTW: the code works fine in MSVC11 ... struct HelloWorld { typedef void result_type; // <--- This seems to be required for MSVC12 RC void operator()(std::string msg) const { std::cout << msg << std::endl; } }; int main() { boost::signals2::signal sig; // Connect a HelloWorld slot HelloWorld hello; sig.connect(hello); // Call all of the slots sig("Hello, World!"); return 0; } Compiler error: 1>c:\program files (x86)\boost\include\boost-1_55\boost\bind\bind.hpp(192): error C2064: term does not evaluate to a function taking 0 arguments 1> class does not define an 'operator()' or a user defined conversion operator to a pointer-to-function or reference-to-function that takes appropriate number of arguments 1> c:\program files (x86)\boost\include\boost-1_55\boost\bind\bind_template.hpp(47) : see reference to function template instantiation 'void boost::_bi::list0::operator ()>(boost::_bi::type<void>,F &,A &,int)' being compiled 1> with 1> [ 1> F=HelloWorld 1> , A1=std::string 1> , A=boost::_bi::list1 1> ] . ...blah blah I've added the full compiler error as an attachment On 8 October 2013 09:50, Akira Takahashi wrote:

2013/10/8 Domagoj Saric

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On 3.10.2013. 18:19, Marshall Clow wrote:> Release candidate files for 1.55.0 beta 1 are available at

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http://boost.cowic.de/rc/

As always, the release managers would appreciate it if you download the candidate of your choice and give building it a try. Please report both success and failure, and anything else that is noteworthy.

With MSVC12 RC: * 1.54 and 1.55 b1 RC - lots of: .\boost/iterator/detail/**facade_iterator_category.hpp(**166) : error C2039: 'assert_not_arg' : is not a member of 'boost::mpl'

This issue fixed by this commit. http://lists.boost.org/boost-commit/2013/05/46330.php

However, not merge to release branch yet.

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