type

LengthAttr

LengthAttr : NumberAttr

Attribute with a number value with length unit

meta abstract slots id

Unique identifier for entity in its project

spec

Type of this entity

attr

Required marker tag for all attributes

val

Number value of the attribute

val Number <quantity:length>

Number value of the attribute

Haxall 4.0.5 ∙ 24-Feb-2026 14:33 EST