mp_units::named_constant<Symbol, U>
Named constant definition
Synopsis
Declared in <mp-units/framework/unit_definitions.h>
template<symbol_text Symbol, Unit auto U>
requires(!Symbol.empty())
struct named_constant<Symbol, U> : ::_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_ | |
Type Aliases
Static Data Members
| Name | Description |
|---|
_symbol_ | Unique constant identifier |
Template Parameters
| Name | Description |
|---|
| Symbol | a short text representation of the constant |
| Unit | a unit that we use to define a constant |