mp_units::quantity_cast

quantity_cast overloads

Synopses

Declared in <mp-units/framework/quantity_cast.h>

Explicit cast of a quantity type

template<QuantitySpec auto ToQS, typename FwdQ, Quantity Q = std::remove_cvref_t<FwdQ>>
  requires(mp_units::castable(Q::quantity_spec, ToQS)) &&
          requires { typename quantity<make_reference(ToQS, Q::unit), typename Q::rep>; }
[[nodiscard]] constexpr Quantity auto quantity_cast(FwdQ&& q);

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Explicit cast of a quantity point type

template<QuantitySpec auto ToQS, typename FwdQP, QuantityPoint QP = std::remove_cvref_t<FwdQP>>
  requires(mp_units::castable(QP::quantity_spec, ToQS)) &&
          requires { typename quantity_point<make_reference(ToQS, QP::unit), QP::point_origin, typename QP::rep>; }
[[nodiscard]] constexpr QuantityPoint auto quantity_cast(FwdQP&& qp);

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Return Value

Note

The return value should not be discarded.

Template Parameters

Name	Description
ToQS	a quantity specification to use for a target quantity