[C++-sig] Call Policy for Singleton

[Balasubramanyam, Shivakumar]

HI,

The am not sure if which call policy I should be using for this particular use 
case,


class Singleton
{
public:
    Singleton* create()
    {
        if(!_instance)
        {
            _instance = new Singleton();
        }
        return _instance;
    }
    static Singleton* _instance;
}

// Initialization
Singleton* _instance=NULL;

Is return_value_policy<reference_existing_object> the right call policy to use?


Thanks,
Shiva

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