de.grogra.xl.lang
Interface ObjectToBoolean<K>

All Known Subinterfaces:
NodeFilter<T>
All Known Implementing Classes:
DTDSourceFile, ExplorerMenuBuilder, MTGSourceFile, SourceFile

public interface ObjectToBoolean<K>

Instances of ObjectToBoolean represent functions which take Ks as input and return values of type boolean. Such instances are created by lambda expressions of the XL programming language, e.g., ObjectToBoolean f = K x => boolean some expression containing x;.

Author:
Ole Kniemeyer

Method Summary
 boolean evaluateBoolean(K x)
          Computes the value of this function at x.
 

Method Detail

evaluateBoolean

boolean evaluateBoolean(K x)
Computes the value of this function at x.

Parameters:
x - where the function is to be evaluated
Returns:
function value at x