RefCountedBool.hh

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#ifndef NOPTR_REF_COUNTED_POD_H
#define NOPTR_REF_COUNTED_POD_H

#include <stddef.h>

namespace NoPtr
{
    
namespace NoPtrImpl
{
    
    // Structure that aggregates the reference count and boolean
    template <typename StoreT = size_t>
    struct RefCountedBool
    {
        static const unsigned short bitsPerByte = 8;
        static const unsigned short countBits 
            = bitsPerByte*sizeof(StoreT) - 1;

        StoreT count: countBits; 
        StoreT valid: 1;         

        RefCountedBool(bool init = false): count(1), valid(init) {}
        bool operator==(const RefCountedBool& rhs) const 
        {
            return count == rhs.count && valid == rhs.valid;
        }
    };
    
} // NoPtrImpl namespace

} // NoPtr namespace
        
#endif // NOPTR_REF_COUNTED_POD_H

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