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Reformat mp_unique_if

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This commit is contained in:
Peter Dimov
2019-12-07 19:13:02 +02:00
parent 1542a0c388
commit 409147714c
1 changed files with 25 additions and 15 deletions
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20
include/boost/mp11/algorithm.hpp
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@@ -950,20 +950,30 @@ template<template<class...> class L, class... T> struct mp_unique_impl<L<T...>>
template<class L> using mp_unique = typename detail::mp_unique_impl<L>::type;
namespace detail {
template <template<class...> class P> struct mp_unique_if_push_back {
template<class...> struct impl;
// mp_unique_if<L, P>
namespace detail
{
template<template<class...> class P> struct mp_unique_if_push_back
{
template<class...> struct impl
{
};
template<template<class...> class L, class... Ts, class T>
struct impl<L<Ts...>, T> {
struct impl<L<Ts...>, T>
{
using type = mp_if<mp_any<P<Ts, T>...>, L<Ts...>, L<Ts..., T>>;
};
template<class... T> using fn = typename impl<T...>::type;
};
} // namespace detail
// mp_unique_if<L, P>
template<class L, template<class...> class P>
using mp_unique_if = mp_fold_q<L, mp_clear<L>, detail::mp_unique_if_push_back<P>>;
template<class L, class Q> using mp_unique_if_q = mp_unique_if<L, Q::template fn>;
// mp_all_of<L, P>