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# BOOST_MPL_CFG_NO_HAS_XXX

### Synopsis

    // #define BOOST_MPL_CFG_NO_HAS_XXX

### Description

`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.

### See also

Macros, Configuration, `BOOST_MPL_HAS_XXX_TRAIT_DEF`, `BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF`