26 #ifndef TCLAP_OPTIONAL_UNLABELED_TRACKER_H 
   27 #define TCLAP_OPTIONAL_UNLABELED_TRACKER_H 
   38         static void check( 
bool req, 
const std::string& argName );
 
   46         static bool& alreadyOptionalRef() { 
static bool ct = 
false; 
return ct; }
 
   54     "You can't specify ANY Unlabeled Arg following an optional Unlabeled Arg",
 
static bool & alreadyOptional()
static void check(bool req, const std::string &argName)
static void gotOptional()
Thrown from Arg and CmdLine when an Arg is improperly specified, e.g.