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extended is_quantity<T> to support quantity-derived classes

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N.B. inheritance is preferred to composition/delegate class to avoid duplication and also inherent the various required operators ('+','-',..., '+=', ...) for details see discussion #271
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Mateusz Pusz
2021-06-27 11:31:54 +02:00
parent ae752da50e
commit 95ac869522
1 changed files with 1 additions and 1 deletions
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src/core/include/units/bits/basic_concepts.h
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@@ -269,7 +269,7 @@ concept Reference = detail::is_reference<T>;
namespace detail {
template<typename T>
inline constexpr bool is_quantity = false;
inline constexpr bool is_quantity = requires { typename T::dimension; typename T::unit; typename T::rep;};
template<typename T>
inline constexpr bool is_quantity_point = false;