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fix: ambiguity of operators in case of unknown_dimension resolved

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Mateusz Pusz
2020-09-10 13:02:33 +02:00
parent 9cd0cb4105
commit 6f88a03285
1 changed files with 8 additions and 8 deletions
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16
src/include/units/quantity.h
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@@ -203,12 +203,12 @@ public:
return quantity(lhs.count() + rhs.count());
}
template<typename U2, typename Rep2>
requires std::regular_invocable<std::plus<>, Rep, Rep2>
[[nodiscard]] friend constexpr Quantity auto operator+(const quantity& lhs, const quantity<D, U2, Rep2>& rhs)
template<typename D2, typename U2, typename Rep2>
requires std::regular_invocable<std::plus<>, Rep, Rep2> && equivalent<D, D2>
[[nodiscard]] friend constexpr Quantity auto operator+(const quantity& lhs, const quantity<D2, U2, Rep2>& rhs)
{
using common_rep = decltype(lhs.count() + rhs.count());
using ret = common_quantity<quantity, quantity<D, U2, Rep2>, common_rep>;
using ret = common_quantity<quantity, quantity<D2, U2, Rep2>, common_rep>;
return ret(ret(lhs).count() + ret(rhs).count());
}
@@ -218,12 +218,12 @@ public:
return quantity(lhs.count() - rhs.count());
}
template<typename U2, typename Rep2>
requires std::regular_invocable<std::minus<>, Rep, Rep2>
[[nodiscard]] friend constexpr Quantity auto operator-(const quantity& lhs, const quantity<D, U2, Rep2>& rhs)
template<typename D2, typename U2, typename Rep2>
requires std::regular_invocable<std::minus<>, Rep, Rep2> && equivalent<D, D2>
[[nodiscard]] friend constexpr Quantity auto operator-(const quantity& lhs, const quantity<D2, U2, Rep2>& rhs)
{
using common_rep = decltype(lhs.count() - rhs.count());
using ret = common_quantity<quantity, quantity<D, U2, Rep2>, common_rep>;
using ret = common_quantity<quantity, quantity<D2, U2, Rep2>, common_rep>;
return ret(ret(lhs).count() - ret(rhs).count());
}