[Boost-users] Re: BOOST_NO_MEMBER_TEMPLATE_FRIENDS

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if the following code is commented out from visualc.hpp the standard streaming operators become available for mersenne_twister - and they seem to work fine.

#if _MSC_VER <= 1310 # define BOOST_NO_MEMBER_TEMPLATE_FRIENDS #endif

I admit to being a little surprised by that myself, I'll look into it...

OK it was disabled by Beman Dawes with the comment "See format_test1 for example of why needed", and this test case does indeed fail if we undef that macro.

replacing the guards around the streaming operators in mersenne_twister and lagged_fibonacci with: #if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS) || (_MSC_VER >= 1310) allows the code for both classes to compile under VC7.1. perhaps we need finer grained guard macros? ian