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| Front Page / Macros / Configuration / BOOST_MPL_CFG_NO_HAS_XXX | 
// #define BOOST_MPL_CFG_NO_HAS_XXX
BOOST_MPL_CFG_NO_HAS_XXX is an boolean configuration macro signaling availability of the BOOST_MPL_HAS_XXX_TRAIT_DEF / BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF introspection macros' functionality on a particular compiler.