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switch case with enum types help pls

closed account (S23vqMoL)
I'm trying to convert the enum type {PG, R, G, PG-13, etc.} to strings so i can use it in cout statement but no matter what i put inside switch(), the compiler keeps saying
Error: expression must have integral or enum type. What am I doing wrong exactly?

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        Movie covert_rating(Movie r) { 
	switch (r) {
	case PG: 
		return "PG";
		break;
	case R:
		return "R";
		break;
	case G:
		return "G";
		break;
	case PG13:
		return "PG-13";
		break;
	case NC17:
		return "NC-17";
		break;
	case NR:
		return "NR";
		break;
	default:
		cout << "Error in movie_rating() function" << endl;
		exit (1);
	}
Last edited on
Peter87 (11234)
How is Movie defined?
closed account (S23vqMoL)
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#ifndef MOVIE_
#define MOVIE_

#include <iostream>
#include <string>

using namespace std;

	enum Movie_Rating {G,PG,PG13,R,NC17,NR} ;


// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------

	class Movie
	{
	  public:
		  	
		// ------------------------------------------------------
		// ----- Constructors -----------------------------------
		// ------------------------------------------------------
			//Default constructor
			Movie();

			//Copy Constructors
			Movie(const string& title) ;

			Movie(const string& title, 
			      const string& director, 
			      Movie_Rating rating,
			      unsigned int year,
			      const string& path) ;
		  	
		
	  	
		// ------------------------------------------------------
		// ----- Inspectors -------------------------------------
		// ------------------------------------------------------
	  	
			string getTitle() const ;

			string getDirector() const ;
			
			Movie_Rating getRating() const ;
			
			unsigned int getYear() const ;
			
			string getURL() const ;
	  	
		// ------------------------------------------------------
		// ----- Mutators ---------------------------------------
		// ------------------------------------------------------

			void setDirector(const string& director) ;
			
			void setRating(Movie_Rating rating)  ;
			
			void setYear(unsigned int year)  ;
			
			void setURL(const string& path)  ;

	   //----------------------------------------------------------
	   //----- Facilitators ---------------------------------------
       //----------------------------------------------------------  	
			string Movie::toString ();
			void output(ostream & out);


	// ----------------------------------------------------------
	// ----------------------------------------------------------

	  private:
		string       title_ ;
		string       director_ ;
		Movie_Rating rating_ ;
		unsigned int year_ ;
		string       url_ ;
		
	};

#endif


im trying to make it so that it will output the enum by name like PG, NC-17
Last edited on
BasV (72)
Your enum's type is Movie_Rating

so it needs to look like: 

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std::string covert_rating(Movie_Rating r) {
switch (r) {

..

}
}


Note that the return type must also be std::string (or equivalent), not Movie.
Last edited on
closed account (S23vqMoL)
Oooooooh wow. this was a really stupid mistake on my end thanks for pointing it out :)
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