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Add mp_less, mp_min, mp_max

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Peter Dimov
2017-10-15 15:52:32 +03:00
parent 66b7128253
commit a5e74b2951
6 changed files with 150 additions and 0 deletions
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10
include/boost/mp11/function.hpp
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@@ -13,6 +13,7 @@
#include <boost/mp11/detail/mp_list.hpp>
#include <boost/mp11/detail/mp_count.hpp>
#include <boost/mp11/detail/mp_plus.hpp>
#include <boost/mp11/detail/mp_min_element.hpp>
#include <type_traits>
namespace boost
@@ -162,6 +163,15 @@ template<class T1, class... T> struct mp_same_impl<T1, T...>
template<class... T> using mp_same = typename detail::mp_same_impl<T...>::type;
// mp_less<T1, T2>
template<class T1, class T2> using mp_less = mp_bool<(T1::value < 0 && T2::value >= 0) || ((T1::value < T2::value) && !(T1::value >= 0 && T2::value < 0))>;
// mp_min<T...>
template<class T1, class... T> using mp_min = mp_min_element<mp_list<T1, T...>, mp_less>;
// mp_max<T...>
template<class T1, class... T> using mp_max = mp_max_element<mp_list<T1, T...>, mp_less>;
} // namespace mp11
} // namespace boost