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- namespace boost { namespace mpl {
- namespace aux {
- template< bool C_, typename T1, typename T2, typename T3, typename T4 >
- struct or_impl
- : true_
- {
- };
- template< typename T1, typename T2, typename T3, typename T4 >
- struct or_impl< false,T1,T2,T3,T4 >
- : or_impl<
- BOOST_MPL_AUX_NESTED_TYPE_WKND(T1)::value
- , T2, T3, T4
- , false_
- >
- {
- };
- template<>
- struct or_impl<
- false
- , false_, false_, false_, false_
- >
- : false_
- {
- };
- }
- template<
- typename BOOST_MPL_AUX_NA_PARAM(T1)
- , typename BOOST_MPL_AUX_NA_PARAM(T2)
- , typename T3 = false_, typename T4 = false_, typename T5 = false_
- >
- struct or_
- : aux::or_impl<
- BOOST_MPL_AUX_NESTED_TYPE_WKND(T1)::value
- , T2, T3, T4, T5
- >
- {
- };
- BOOST_MPL_AUX_NA_SPEC2(
- 2
- , 5
- , or_
- )
- }}
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