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Add mp_insert, mp_erase

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Peter Dimov
2017-05-13 21:52:56 +03:00
parent ac28cf9b3f
commit 15e45290d0
6 changed files with 399 additions and 1 deletions
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13
include/boost/mp11/algorithm.hpp
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@@ -825,6 +825,7 @@ template<class L, class I, class W> struct mp_replace_at_impl
template<class L, class I, class W> using mp_replace_at = typename detail::mp_replace_at_impl<L, I, W>::type;
template<class L, std::size_t I, class W> using mp_replace_at_c = typename detail::mp_replace_at_impl<L, mp_size_t<I>, W>::type;
//mp_for_each<L>(f)
namespace detail
{
@@ -850,6 +851,18 @@ template<class L, class F> BOOST_CONSTEXPR F mp_for_each( F && f )
return detail::mp_for_each_impl( mp_rename<L, mp_list>(), std::forward<F>(f) );
}
// mp_insert<L, I, T...>
template<class L, class I, class... T> using mp_insert = mp_append<mp_take<L, I>, mp_push_front<mp_drop<L, I>, T...>>;
// mp_insert_c<L, I, T...>
template<class L, std::size_t I, class... T> using mp_insert_c = mp_append<mp_take_c<L, I>, mp_push_front<mp_drop_c<L, I>, T...>>;
// mp_erase<L, I, J>
template<class L, class I, class J> using mp_erase = mp_append<mp_take<L, I>, mp_drop<L, J>>;
// mp_erase_c<L, I, J>
template<class L, std::size_t I, std::size_t J> using mp_erase_c = mp_append<mp_take_c<L, I>, mp_drop_c<L, J>>;
} // namespace mp11
} // namespace boost