instance_count
Inherit from this class to count instances of a class.

<20.25.0
etl::instance_count<typename T>
This class is not thread safe.

20.25.0
etl::instance_count<typename T, typename TCounter = uint32_t>
This class is not thread safe unless TCounter is an atomic type.
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Types

type         The type being counted.
counter_type The type used for the counter.
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Member functions

static const counter_type& get_instance_count()
Returns a const reference to the current count.
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static void reset_instance_count()
Resets the count to zero.
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Example
Instances of My_Class will be counted and can be accessed by the inherited member function get_instance_count().

class My_Class : public etl::instance_count<My_Class, std::atomic_uint8_t>
{
};