// Ex2_09.cpp
// Demonstrating type-safe and non-type-safe enumerations
#include <iostream>

using std::cout;
using std::endl;

// You can define enumerations at global scope
//enum Jewels {Diamonds, Emeralds, Rubies}; // Uncomment this for an error
enum Suit : long {Clubs, Diamonds, Hearts, Spades};

int main()
{
	// Using the old enumeration type...
	Suit suit = Clubs;							// You can use enumerator names directly
	Suit another = Suit::Diamonds;				// or you can qualify them

	// Automatic conversion from enumeration type to integer
	cout << "suit value: " << suit << endl;
	cout << "Add 10 to another: " << another + 10 << endl;

	// Using type-safe enumerations
	enum class Color : char {Red, Orange, Yellow, Green, Blue, Indigo, Violet};
	Color skyColor(Color::Blue);				// You must qualify enumerator names
	// Color grassColor(Green);					// Uncomment for an error

	// No auto conversion to numeric type
	cout << endl
		<< "Sky color value: "
		<< static_cast<long>(skyColor) << endl;

	//cout << skyColor + 10L << endl;			// Uncomment for an error
	cout << "Incremented sky color: "
		<< static_cast<long>(skyColor) + 10L	// OK with explicit cast
		<< endl;

	return 0;
}

1>e:\my documents\dropbox\dropbox\programming\ebook projects\horton cpp\ex2_09\ex2_09\ex2_09.cpp(23): error C2332: 'enum' : missing tag name
1>e:\ex2_09.cpp(23): error C2236: unexpected 'class' 'main::Color'. Did you forget a ';'?
1>e:\ex2_09.cpp(23): error C3381: 'main::Color' : assembly access specifiers are only available in code compiled with a /clr option
1>e:\ex2_09.cpp(23): error C2062: type 'char' unexpected
1>e:\ex2_09.cpp(23): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>e:\ex2_09.cpp(23): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>e:\ex2_09.cpp(23): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>e:\ex2_09.cpp(23): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>e:\ex2_09.cpp(23): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>e:\ex2_09.cpp(23): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>e:\ex2_09.cpp(23): error C2143: syntax error : missing ';' before '}'
1>e:\ex2_09.cpp(23): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>e:\ex2_09.cpp(24): error C2039: 'Blue' : is not a member of 'main::Color'
1>          e:\ex2_09.cpp(23) : see declaration of 'main::Color'
1>e:\ex2_09.cpp(24): error C2065: 'Blue' : undeclared identifier
1>e:\ex2_09.cpp(30): error C2440: 'static_cast' : cannot convert from 'main::Color' to 'long'
1>          No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called
1>e:\ex2_09.cpp(34): error C2440: 'static_cast' : cannot convert from 'main::Color' to 'long'
1>          No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called