Hi Catherine, I am sorry that I don't have any idea about a solution to your problem. Instead, I myself have a problem to ask for help to solve. If you happen to know anything about it and would kindly to help me, I would appreciate it very much. I am trying to port Bayes++ into a Visual C++ 2005 project. The version of Boost library is the latest (v1.33.1). However, I came cross a C2064 error that tells "term does not evaluate to a function taking 0 arguments" when I was compiling the BayesFilter project, which integrates Boost header libraries. The error referred to the sentence BOOST_UBLAS_INLINE const_iterator (const iterator &it): container_const_reference<self_type> (it ()), it_ (it.it_) {} at line 293 in file "boost_1_33_1\boost\numeric\ublas\vector.hpp". I guess that the problem is related to an incompatibility between Visual C++ 2005 and the Boost C++ package, and might be cracked by setting appropriate VC 2005 compiling options or Boost C++ #dehine's. But I don't have any right ideas to do so. If you could help, it will be very helpful for me. Sincerely, Jason Zhang On 7/26/06, Catherine <Catherine.li@autodesk.com> wrote:

Hi boost experts,

Recently, I noticed that I no longer see the actual value of a 'boost::optional<__int64>'variable in VS2005 debugger. My program is in C++.

I recalled that I could find the actual value from the data field of the variable...

Anyone encounted this problem? Other than cast the value to be _int64, is there any other way I can work around it?

Thanks in advance, Catherine

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