String derived from ygNode

Description: a node that stores and manipulates a character string

notes:
Category: Math
Author: Alex Hill
Revision: 04/02/03

    Messages
data string set string string to be generated
concatenate string concatenate onto the string
    Events
changed length
    Comments

constructor String

destructor ~String

method reset

method message

1 set string string to be generated
2 concatenate onto the string

method lengthEvent