RangeConstraint
RangeConstraint tests whether two values are within a
            specified range.
            
                
Initializes a new instance of the  RangeConstraint class.
            
Modifies the constraint to use an  IComparer and returns self.
            
Modifies the constraint to use an  IComparer<T> and returns self.
            
Modifies the constraint to use a  Comparison<T> and returns self.