mp_units::quantity::in

Returns this quantity re‐expressed in another unit and representation type, applying an explicit rounding policy.

Synopsis

Declared in <mp‐units/framework/quantity.h>

template<
    RepresentationOf<quantity_spec> ToRep,
    UnitOf<quantity_spec> ToU,
    RoundingPolicy Policy>
requires std::constructible_from<ToRep, rep> && detail::ExplicitlyCastable<unit, ToU{}, ToRep> &&
             detail::ValidRoundingPolicyFor<Policy, rep, ToRep>
[[nodiscard]]
constexpr
QuantityOf<quantity_spec> auto
in(
    ToU to_u,
    Policy policy) const;

Return Value

The equivalent quantity expressed in to_u with representation type ToRep.

Note	The return value should not be discarded.

Parameters

Name

Description

to_u

the target unit

policy

the rounding policy to apply when the conversion is not exact

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