/*

* This file contains code from "C++ Primer, Fifth Edition", by Stanley B.

* Lippman, Josee Lajoie, and Barbara E. Moo, and is covered under the

* copyright and warranty notices given in that book:

*

* "Copyright (c) 2013 by Objectwrite, Inc., Josee Lajoie, and Barbara E. Moo."

*

*

* "The authors and publisher have taken care in the preparation of this book,

* but make no expressed or implied warranty of any kind and assume no

* responsibility for errors or omissions. No liability is assumed for

* incidental or consequential damages in connection with or arising out of the

* use of the information or programs contained herein."

*

* Permission is granted for this code to be used for educational purposes in

* association with the book, given proper citation if and when posted or

* reproduced.Any commercial use of this code requires the explicit written

* permission of the publisher, Addison-Wesley Professional, a division of

* Pearson Education, Inc. Send your request for permission, stating clearly

* what code you would like to use, and in what specific way, to the following

* address:

*

* Pearson Education, Inc.

* Rights and Permissions Department

* One Lake Street

* Upper Saddle River, NJ 07458

* Fax: (201) 236-3290

*/

#include <string>

using std::string;

#include <cstddef>

using std::size_t;

// forward declaration of unscoped enum named intValues

enum intValues : unsigned long long; // unscoped, must specify a type

enum class open_modes; // scoped enums can use int by default

enum class open_modes {input, output, append};

// input is an enumerator of open_modes

open_modes om = open_modes::input;

enum class intTypes {

charTyp = 8, shortTyp = 16, intTyp = 16,

longTyp = 32, long_longTyp = 64

};

constexpr intTypes charbits = intTypes::charTyp;

enum intValues : unsigned long long {

charTyp = 255, shortTyp = 65535, intTyp = 65535,

longTyp = 4294967295UL,

long_longTyp = 18446744073709551615ULL

};

int main()

{

enum color {red, yellow, green}; // unscoped enumeration

enum class peppers {red, yellow, green}; // enumerators are hidden

// unnamed, unscoped enum

enum {floatPrec = 6, doublePrec = 10, double_doublePrec = 10};

// enumerators are in scope for an unscoped enumeration

color eyes = green;

color hair = color::red; // we can explicitly access the enumerators

peppers p2 = peppers::red; // using red from peppers

int i = color::red; // unscoped enumerator implicitly converted to int

// point2d is 2, point2w is 3, point3d is 3, point3w is 4

enum class Points { point2d = 2, point2w,

point3d = 3, point3w };

return 0;

}