exception Sealed_vertex of string
Raised when trying to add an attribute to a sealed structure
Attribute | Manipulation of attributes |
AttributeType | Attribute types |
VERTEX | Common signature to all vertex structures |
This module provides a way to create and manipulate vertex structures and vertices.
A vertex is a collection attributes, and a vertex structure creates vertices that have the same attributes.
exception Sealed_vertex of string
exception Unsealed_vertex of string
exception Unbound_attribute of string
type 'a t
val make : unit -> (module VERTEX)