flags.h File Reference

Enum-based flags definition. More...

#include <bitset>
#include <type_traits>
#include "flags.inl"

Go to the source code of this file.

Classes
struct	CppCommon::IsEnumFlags< TEnum >
	Enum-based flags false checker. More...
class	CppCommon::Flags< TEnum >
	Enum-based flags. More...

Namespaces
	CppCommon
	C++ Common project definitions.

Macros
#define	ENUM_FLAGS(type)
	Register a new enum-based flags macro. More...

Detailed Description

Enum-based flags definition.

Author

Ivan Shynkarenka

Date

25.08.2016

Copyright

MIT License

Definition in file flags.h.

Macro Definition Documentation

ENUM_FLAGS

#define ENUM_FLAGS

(

type

)

Value:

using CppCommon::operator&;\
using CppCommon::operator|;\
using CppCommon::operator^;\
namespace CppCommon {\
template <> struct IsEnumFlags<type> : std::true_type {};\
}

Register a new enum-based flags macro.

Should be used to get access to AND/OR/XOR logical operators with a given enum values.

Example:

enum class MyFlags
{
    None  = 0x0,
    One   = 0x1,
    Two   = 0x2,
    Three = 0x4,
    Four  = 0x8
};
 
ENUM_FLAGS(MyFlags)
 
int main()
{
    auto mask = MyFlags::One | MyFlags::Two;
    if (mask & MyFlags::Two)
    {
        ...
    }
}

Examples

common_flags.cpp.

Definition at line 48 of file flags.h.