quantity_ref_from overloads

Synopses

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

Returns a mutable reference to the underlying quantity, measured from point_origin.

template<PointOrigin PO2>
requires (PO2{} == point_origin)
[[nodiscard]]
constexpr
quantity_type&
quantity_ref_from(PO2 po) & noexcept;

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Returns a const reference to the underlying quantity, measured from point_origin.

template<PointOrigin PO2>
requires (PO2{} == point_origin)
[[nodiscard]]
constexpr
quantity_type const&
quantity_ref_from(PO2 po) const & noexcept;

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Deleted overload that prevents forming a reference into a temporary quantity point.

template<PointOrigin PO2>
requires (PO2{} == point_origin)
constexpr
quantity_type const&&
quantity_ref_from(PO2 po) const && noexcept = delete;

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Return Value

  • A reference to the stored offset quantity.

  • A const reference to the stored offset quantity.

Parameters

Name

Description

po

a point origin equal to point_origin

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