A prefixed unit

Synopsis

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

template<
    symbol_text Symbol,
    UnitMagnitude auto M,
    PrefixableUnit auto U>
requires (!Symbol.empty())
struct prefixed_unit
    : ::_base_type_

Base Classes

Name

Description

::_base_type_

Types

Name

_base_type_

Static Data Members

Name

_symbol_

Description

Defines a new unit that is a scaled version of another unit with the scaling factor specified by a predefined prefix.

For example:

{.cpp}
 template<PrefixableUnit auto U>
 struct kilo_ : prefixed_unit<"k", mag_power<10, 3>, U> {};

 template<PrefixableUnit auto U>
 constexpr kilo_<U> kilo;

 inline constexpr auto kilogram = si::kilo<gram>;

Template Parameters

Name

Description

Symbol

a prefix text to prepend to a unit symbol

M

scaling factor of the prefix

U

a named unit to be prefixed

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