de.dante.extex.interpreter.expression
Interface ConstantFunction


public interface ConstantFunction

This interface describes an operation object without any arguments.

Version:
$Revision: 1.1 $
Author:
Gerd Neugebauer

Method Summary
 EType apply()
          Return the value in the accumulator overwriting the value stored therein.
 

Method Detail

apply

public EType apply()
            throws InterpreterException
Return the value in the accumulator overwriting the value stored therein.

Returns:
the operation result, i.e. the constant
Throws:
InterpreterException - in case of an error