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Make mp_drop and mp_drop_c SFINAE friendly.

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This commit is contained in:
Jody Hagins
2022-12-06 11:37:42 -05:00
parent f6133a9f1f
commit 811efd6820
2 changed files with 14 additions and 4 deletions
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include/boost/mp11/algorithm.hpp
+4 -4
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@@ -291,9 +291,9 @@ template<class Q, class... L> using mp_product_q = typename detail::mp_product_i
namespace detail
{
template<class L, class L2> struct mp_drop_impl;
template<class L, class L2, class> struct mp_drop_impl;
template<template<class...> class L, class... T, template<class...> class L2, class... U> struct mp_drop_impl<L<T...>, L2<U...>>
template<template<class...> class L, class... T, template<class...> class L2, class... U> struct mp_drop_impl<L<T...>, L2<U...>, mp_true>
{
template<class... W> static mp_identity<L<W...>> f( U*..., mp_identity<W>*... );
@@ -304,9 +304,9 @@ template<template<class...> class L, class... T, template<class...> class L2, cl
} // namespace detail
template<class L, std::size_t N> using mp_drop_c = typename detail::mp_drop_impl<L, mp_repeat_c<mp_list<void>, N>>::type;
template<class L, std::size_t N> using mp_drop_c = typename detail::mp_drop_impl<L, mp_repeat_c<mp_list<void>, N>, mp_bool<N <= mp_size<L>::value>>::type;
template<class L, class N> using mp_drop = typename detail::mp_drop_impl<L, mp_repeat<mp_list<void>, N>>::type;
template<class L, class N> using mp_drop = mp_drop_c<L, N::value>;
// mp_from_sequence<S>
namespace detail