Thread: Try to fix system_clock::time_point output on windows.

git-svn-id: http://svn.boost.org/svn/boost/trunk@86410 b8fc166d-592f-0410-95f2-cb63ce0dd405
Fixed compile error.



git-svn-id: http://svn.boost.org/svn/boost/trunk@86411 b8fc166d-592f-0410-95f2-cb63ce0dd405
As per Peter Dimov's suggestion, the variadic binding constructor for slots 
shouldn't accept zero arguments.  There is also no need for it to accept a 
single argument, and not doing so avoids a bug in MSVC12.
Refs #9286



git-svn-id: http://svn.boost.org/svn/boost/trunk@86412 b8fc166d-592f-0410-95f2-cb63ce0dd405
Chrono: avoid the use of gmtime_r on windows test to avoid compiler failure.

git-svn-id: http://svn.boost.org/svn/boost/trunk@86413 b8fc166d-592f-0410-95f2-cb63ce0dd405
Made 'correct' variant-aware.

git-svn-id: http://svn.boost.org/svn/boost/trunk@86414 b8fc166d-592f-0410-95f2-cb63ce0dd405