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refactor: kind_of_ refactored to take a type to improve error messages

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Mateusz Pusz committed 2024-02-20 19:49:22 +01:00
1 parent 792bd2c191
commit f81e9bdcfe
3 files changed
+25 -27
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src/core/include/mp-units/bits/quantity_spec_concepts.h
+2 -2
View File
@@ -34,7 +34,7 @@ template<typename, auto...>
#endif
struct quantity_spec;
template<auto Q>
template<typename Q>
struct kind_of_;
namespace detail {
@@ -42,7 +42,7 @@ namespace detail {
template<typename T>
inline constexpr bool is_specialization_of_kind_of = false;
template<auto Q>
template<typename Q>
inline constexpr bool is_specialization_of_kind_of<kind_of_<Q>> = true;
template<typename T>
src/core/include/mp-units/quantity_spec.h
+13 -15
View File
@@ -450,30 +450,28 @@ template<QuantitySpec Q>
} // namespace detail
#ifdef __cpp_explicit_this_parameter
template<auto Q>
requires(detail::QuantitySpecWithNoSpecifiers<std::remove_const_t<decltype(Q)>>) &&
(detail::get_kind_tree_root(Q) == Q)
struct kind_of_<Q> : std::remove_const_t<decltype(Q)> {
static constexpr auto _quantity_spec_ = Q;
template<typename Q>
requires detail::QuantitySpecWithNoSpecifiers<Q> && (detail::get_kind_tree_root(Q{}) == Q{})
struct kind_of_<Q> : Q {
static constexpr auto _quantity_spec_ = Q{};
};
#else
#if MP_UNITS_COMP_CLANG
template<auto Q>
requires detail::QuantitySpecWithNoSpecifiers<std::remove_cvref_t<decltype(Q)>> &&
(detail::get_kind_tree_root(Q) == Q)
template<typename Q>
requires detail::QuantitySpecWithNoSpecifiers<Q> && (detail::get_kind_tree_root(Q{}) == Q{})
#else
template<detail::QuantitySpecWithNoSpecifiers auto Q>
requires(detail::get_kind_tree_root(Q) == Q)
template<detail::QuantitySpecWithNoSpecifiers Q>
requires(detail::get_kind_tree_root(Q{}) == Q{})
#endif
struct kind_of_<Q> : quantity_spec<kind_of_<Q>, Q> {
static constexpr auto _quantity_spec_ = Q;
struct kind_of_<Q> : quantity_spec<kind_of_<Q>, Q{}> {
static constexpr auto _quantity_spec_ = Q{};
};
#endif
template<detail::QuantitySpecWithNoSpecifiers auto Q>
requires(detail::get_kind_tree_root(Q) == Q)
inline constexpr kind_of_<Q> kind_of;
inline constexpr kind_of_<std::remove_const_t<decltype(Q)>> kind_of;
namespace detail {
@@ -601,10 +599,10 @@ template<QuantitySpec Q, int... Ints>
return get_complexity(Q{});
}
template<auto Q>
template<typename Q>
[[nodiscard]] consteval int get_complexity(kind_of_<Q>)
{
return get_complexity(Q);
return get_complexity(Q{});
}
template<QuantitySpec Q>