Named constant definition

Synopsis

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

template<
    symbol_text Symbol,
    Unit auto U>
requires (!Symbol.empty())
struct named_constant
    : ::_base_type_

Description

It is very similar to named_unit but:

  • allows negative exponents in the unit definition (TODO )

  • does not allow the constant to be associated with a quantity_spec

  • does not allow the constant to be prefixed

Base Classes

Name Description

::_base_type_

Types

Name

_base_type_

Static Data Members

Name

Description

_symbol_

Unique constant identifier

Derived Classes

Name Description

pi

Template Parameters

Name Description

Symbol

a short text representation of the constant

Unit

a unit that we use to define a constant

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