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feat: ValuePreservingTo extended with the explicit convertibility requirement

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Mateusz Pusz
2024-07-14 18:06:02 +02:00
parent 73f7901329
commit 0dfd323c4b
1 changed files with 5 additions and 2 deletions
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7
src/core/include/mp-units/framework/quantity.h
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@@ -60,8 +60,11 @@ template<typename T>
concept IsFloatingPoint = treat_as_floating_point<T>; concept IsFloatingPoint = treat_as_floating_point<T>;
template<typename FromRep, typename ToRep, auto FromUnit = one, auto ToUnit = one> template<typename FromRep, typename ToRep, auto FromUnit = one, auto ToUnit = one>
concept ValuePreservingTo = concept ValuePreservingTo = requires(FromRep&& from, ToRep to) {
IsFloatingPoint<ToRep> || (!IsFloatingPoint<FromRep> && (integral_conversion_factor(FromUnit, ToUnit))); {
to = std::forward<FromRep>(from)
} -> std::same_as<ToRep&>;
} && (IsFloatingPoint<ToRep> || (!IsFloatingPoint<FromRep> && (integral_conversion_factor(FromUnit, ToUnit))));
template<typename QFrom, typename QTo> template<typename QFrom, typename QTo>
concept QuantityConvertibleTo = concept QuantityConvertibleTo =