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Clang considers the specialization ambiguous in C++17 and above, rewrite. Fixes #103.

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Peter Dimov
2025-01-07 22:52:07 +02:00
parent 7ca1e0a92b
commit 9910ada772
1 changed files with 4 additions and 4 deletions
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8
include/boost/mp11/algorithm.hpp
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@@ -348,21 +348,21 @@ template<class L, class N> using mp_drop = mp_drop_c<L, std::size_t{ N::value }>
namespace detail namespace detail
{ {
template<class S, class F> struct mp_from_sequence_impl; template<class S, class F, bool Z> struct mp_from_sequence_impl;
template<template<class T, T... I> class S, class U, U... J, class F> struct mp_from_sequence_impl<S<U, J...>, F> template<template<class T, T... I> class S, class U, U... J, class F> struct mp_from_sequence_impl<S<U, J...>, F, false>
{ {
using type = mp_list_c<U, (F::value + J)...>; using type = mp_list_c<U, (F::value + J)...>;
}; };
template<template<class T, T... I> class S, class U, U... J> struct mp_from_sequence_impl<S<U, J...>, mp_int<0>> template<template<class T, T... I> class S, class U, U... J, class F> struct mp_from_sequence_impl<S<U, J...>, F, true>
{ {
using type = mp_list_c<U, J...>; using type = mp_list_c<U, J...>;
}; };
} // namespace detail } // namespace detail
template<class S, class F = mp_int<0>> using mp_from_sequence = typename detail::mp_from_sequence_impl<S, F>::type; template<class S, class F = mp_int<0>> using mp_from_sequence = typename detail::mp_from_sequence_impl<S, F, (F::value == 0)>::type;
// mp_iota(_c)<N, F> // mp_iota(_c)<N, F>
template<std::size_t N, std::size_t F = 0> using mp_iota_c = mp_from_sequence<make_index_sequence<N>, mp_size_t<F>>; template<std::size_t N, std::size_t F = 0> using mp_iota_c = mp_from_sequence<make_index_sequence<N>, mp_size_t<F>>;