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added inheritance unit-test and made is_quantity<T> more specific

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This commit is contained in:
Ralph J. Steinhagen
2021-06-29 20:31:06 +02:00
committed by Mateusz Pusz
parent 95ac869522
commit 8e1539bf22
3 changed files with 24 additions and 1 deletions
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src/core/include/units/bits/basic_concepts.h
+1 -1
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@@ -269,7 +269,7 @@ concept Reference = detail::is_reference<T>;
namespace detail {
template<typename T>
inline constexpr bool is_quantity = requires { typename T::dimension; typename T::unit; typename T::rep;};
inline constexpr bool is_quantity = false;
template<typename T>
inline constexpr bool is_quantity_point = false;
src/core/include/units/quantity.h
+11
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@@ -460,6 +460,17 @@ namespace detail {
template<typename D, typename U, typename Rep>
inline constexpr bool is_quantity<quantity<D, U, Rep>> = true;
template<typename T>
requires units::is_derived_from_specialization_of<T, units::quantity> &&
requires {
typename T::dimension;
typename T::unit;
typename T::rep;
requires Dimension<typename T::dimension>;
requires Unit<typename T::unit>;
requires Representation<typename T::rep>; }
inline constexpr bool is_quantity<T> = true;
} // namespace detail
} // namespace units