instance_count.h

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/******************************************************************************
The MIT License(MIT)

Embedded Template Library.

Copyright(c) 2014 jwellbelove

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#ifndef __ETL_INSTANCE_COUNT__
#define __ETL_INSTANCE_COUNT__


namespace etl
{
  //***************************************************************************
  //***************************************************************************
  template <typename T>
  class instance_count
  {
  public:

    //*************************************************************************
    //*************************************************************************
    instance_count()
    {
      ++how_many;
    }

    //*************************************************************************
    //*************************************************************************
    virtual ~instance_count()
    {
      --how_many;
    }

    //*************************************************************************
    //*************************************************************************
    inline static size_t get_instance_count()
    {
      return how_many;
    }

  private:

    static size_t how_many;
  };

  template <typename T> size_t instance_count<T>::how_many = 0;
}

#endif