public static Flexpression Create(ICharactersRangeDefinition range)
 {
     return(new CharactersRangeFlexpression(range));
 }
 public CharactersRangeFlexpression(ICharactersRangeDefinition range)
 {
     Range = range;
 }
 public bool VisitCharactersRange(ICharactersRangeDefinition range)
 {
     return(_specification.IsSatisfiedByChar(range));
 }