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#pragma once

namespace tf {

/** @class Singleton

@brief class template to create a thread-safe singleton object

*/

template <typename T>

class Singleton {

public:

/**

@brief get a reference to the singleton object

*/

static T& get() {

static T instance;

return instance;

}

private:

Singleton() = default;

~Singleton() = default;

Singleton(const Singleton&)= delete;

Singleton& operator=(const Singleton&)= delete;

};

} // end of namespace tf -----------------------------------------------------