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Use narrowing instead of static_assert in mp_repeat

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This commit is contained in:
Peter Dimov
2017-03-24 19:00:52 +02:00
parent 946861bb63
commit c059b1ea3f
1 changed files with 1 additions and 8 deletions
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9
include/boost/mp11/algorithm.hpp
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@@ -189,17 +189,10 @@ template<class L> struct mp_repeat_c_impl<L, 1>
using type = L; using type = L;
}; };
template<class L, class N> struct mp_repeat_impl
{
static_assert( N::value >= 0, "mp_repeat<L, N>: N must not be negative" );
using type = typename mp_repeat_c_impl<L, N::value>::type;
};
} // namespace detail } // namespace detail
template<class L, std::size_t N> using mp_repeat_c = typename detail::mp_repeat_c_impl<L, N>::type; template<class L, std::size_t N> using mp_repeat_c = typename detail::mp_repeat_c_impl<L, N>::type;
template<class L, class N> using mp_repeat = typename detail::mp_repeat_impl<L, N>::type; template<class L, class N> using mp_repeat = typename detail::mp_repeat_c_impl<L, std::size_t{ N::value }>::type;
// mp_product<F, L...> // mp_product<F, L...>
namespace detail namespace detail