Implementation classes of the AST for Circus.

This package provides implementations of the interfaces in {@link net.sourceforge.czt.circus.ast}. As an application programmer, you should ONLY use the object factory provided in this package explicitly. Use the interfaces in {@link net.sourceforge.czt.circus.ast} and the {@link net.sourceforge.czt.circus.impl.CircusFactoryImpl} when using the AST for Circus.