Constructs a quantity from a numerical value and a reference with an equivalent unit.
Declared in <mp-units/framework/quantity.h>
template<Reference R2>
requires (equivalent(unit, get_unit(R2{})))
[[nodiscard]]
constexpr
quantity(
rep val,
R2 ref);
The return value should not be discarded.
| Name | Description |
|---|---|
| val | the numerical value to store |
| ref | a reference whose unit is equivalent to unit |