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fix quantity_cast to accept lvalue references

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This commit is contained in:
Yves Delley
2024-05-10 20:07:07 +02:00
parent b119abed56
commit d8371074f8
1 changed files with 3 additions and 3 deletions
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6
src/core/include/mp-units/framework/quantity_cast.h
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@@ -53,10 +53,10 @@ namespace mp_units {
* @tparam ToQS a quantity specification to use for a target quantity * @tparam ToQS a quantity specification to use for a target quantity
*/ */
template<QuantitySpec auto ToQS, typename Q> template<QuantitySpec auto ToQS, typename Q>
requires Quantity<std::remove_cvref_t<Q>> && (castable(Q::quantity_spec, ToQS)) requires Quantity<std::remove_cvref_t<Q>> && (castable(std::remove_reference_t<Q>::quantity_spec, ToQS))
[[nodiscard]] constexpr Quantity auto quantity_cast(Q&& q) [[nodiscard]] constexpr Quantity auto quantity_cast(Q&& q)
{ {
return quantity{std::forward<Q>(q).numerical_value_is_an_implementation_detail_, make_reference(ToQS, Q::unit)}; return quantity{std::forward<Q>(q).numerical_value_is_an_implementation_detail_, make_reference(ToQS, q.unit)};
} }
/** /**
@@ -77,7 +77,7 @@ template<QuantitySpec auto ToQS, typename Q>
* @tparam ToQS a quantity specification to use for a target quantity point * @tparam ToQS a quantity specification to use for a target quantity point
*/ */
template<QuantitySpec auto ToQS, typename QP> template<QuantitySpec auto ToQS, typename QP>
requires QuantityPoint<std::remove_cvref_t<QP>> && (castable(QP::quantity_spec, ToQS)) requires QuantityPoint<std::remove_cvref_t<QP>> && (castable(std::remove_reference_t<QP>::quantity_spec, ToQS))
[[nodiscard]] constexpr QuantityPoint auto quantity_cast(QP&& qp) [[nodiscard]] constexpr QuantityPoint auto quantity_cast(QP&& qp)
{ {
return QP{quantity_cast<ToQS>(std::forward<QP>(qp).quantity_from_origin_is_an_implementation_detail_), return QP{quantity_cast<ToQS>(std::forward<QP>(qp).quantity_from_origin_is_an_implementation_detail_),