Public helper that yields the reference (unit + quantity spec) associated with a quantity‐like type.
Synopsis
Declared in <mp‐units/framework/quantity_traits.h>
template<typename T>
constexpr auto reference_for = detail::reference_for_impl<T>::value;Description
Derived from the type's own ::reference member (for quantity / quantity_point) or from quantity_like_traits<T> / quantity_point_like_traits<T> for external types.
This is not a customization point. Users teach the library about external types by specializing quantity_like_traits / quantity_point_like_traits, not this helper.
Template Parameters
| Name | Description |
|---|---|
T |
a quantity‐like or quantity‐point‐like type |
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