boost-users-bounces@lists.boost.org 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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hi catherine, +my_int64 +boost::optional_detail::optional_base ... +- +- +m_storage +dummy_ +data +aligner_ +t0 +... +t23 in case of an int64 it is in t4. but this only seems to work for ints. you could also add the following line to %YOUR_MSVS8_DIR%/common7/packages/debugger/autoexp.dat: <snip> boost::optional<__int64>= initialized=<m_initialized> value=<m_storage.dummy_.aligner_.t4> </snip> this changes the display of {...} to f.ex. {initialized=true value=42} -- HTH dave