mp_units::value_cast

Synopsis

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

template<
    typename ToRep,
    Unit auto ToU,
    typename FwdQP,
    RoundingPolicy Policy = truncated_t,
    QuantityPoint QP = std::remove_cvref_t<FwdQP>>
requires UnitOf<MP_UNITS_REMOVE_CONST(decltype(ToU)), QP::quantity_spec> &&
           RepresentationOf<ToRep, QP::quantity_spec> && std::constructible_from<ToRep, typename QP::rep> &&
           detail::ExplicitlyCastable<QP::unit, ToU, ToRep> &&
           detail::ValidRoundingPolicyFor<Policy, typename QP::rep, ToRep>
[[nodiscard]]
constexpr
QuantityPoint auto
value_cast(
    FwdQP&& qp,
    Policy policy = Policy{});