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Add support for value lists to mp_replace_first, mp_replace_second, mp_replace_third. Refs #53.

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Peter Dimov
2023-05-15 18:05:02 +03:00
parent 8615aed8e8
commit 4545835a8b
5 changed files with 174 additions and 0 deletions
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27
include/boost/mp11/list.hpp
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@@ -299,6 +299,15 @@ template<template<class...> class L, class U1, class... U, class T> struct mp_re
using type = L<T, U...>;
};
#if defined(BOOST_MP11_HAS_TEMPLATE_AUTO)
template<template<auto...> class L, auto A1, auto... A, class T> struct mp_replace_front_impl<L<A1, A...>, T>
{
using type = L<T::value, A...>;
};
#endif
} // namespace detail
template<class L, class T> using mp_replace_front = typename detail::mp_replace_front_impl<L, T>::type;
@@ -321,6 +330,15 @@ template<template<class...> class L, class U1, class U2, class... U, class T> st
using type = L<U1, T, U...>;
};
#if defined(BOOST_MP11_HAS_TEMPLATE_AUTO)
template<template<auto...> class L, auto A1, auto A2, auto... A, class T> struct mp_replace_second_impl<L<A1, A2, A...>, T>
{
using type = L<A1, T::value, A...>;
};
#endif
} // namespace detail
template<class L, class T> using mp_replace_second = typename detail::mp_replace_second_impl<L, T>::type;
@@ -340,6 +358,15 @@ template<template<class...> class L, class U1, class U2, class U3, class... U, c
using type = L<U1, U2, T, U...>;
};
#if defined(BOOST_MP11_HAS_TEMPLATE_AUTO)
template<template<auto...> class L, auto A1, auto A2, auto A3, auto... A, class T> struct mp_replace_third_impl<L<A1, A2, A3, A...>, T>
{
using type = L<A1, A2, T::value, A...>;
};
#endif
} // namespace detail
template<class L, class T> using mp_replace_third = typename detail::mp_replace_third_impl<L, T>::type;