type ('a,'b) s
Type of an attribute
This module provides a way to set and access the attributes of a vertex.
type ('a,'b) s
val set : 'b t -> ('a, 'b) s -> 'a -> unit
val get : 'b t -> ('a, 'b) s -> 'a
Unbound_attribute
if the attribute is not initialized.
val name : ('a, 'b) s -> string
val atype : ('a, 'b) s -> 'a AttributeType.s