Constructor.
The name of the unit.
This unit's boolean attributes.
This unit's key-value attributes.
The collection of unit modifiers.
The legal derivatives of this unit.
The name of this schema entry.
The set of boolean attribute names this schema entry has.
The set of boolean attributes this schema entry has.
The collection of value attribute names this schema entry has.
The collection of value attributes this schema entry has.
The name of this schema entry.
Protected_Retrieve the value of a value attribute (by name) on this schema entry.
The attribute whose value should be returned.
Whether to return a singleton array instead of a scalar value.
The value of the attribute.
Whether this schema entry has this attribute (by name).
The attribute to check for.
Whether this schema entry has this attribute.
Whether this schema entry has this boolean attribute (by name).
The attribute to check for.
Whether this schema entry has this attribute.
Determine if a value has this unit.
either the whole value or the part after a blank (if not a prefix unit)
Whether the value has these units.
SchemaUnit class