#ifndef CALLBACK_H
#define CALLBACK_H

#include <memory>
#include <functional>

namespace smo {

// Forward declaration
class AsyncContinuation;

/**
 * @brief Callback class that wraps a function and its caller continuation
 * 
 * This class provides a way to pass both a callback function and the
 * caller's continuation in a single object, enabling deadlock detection
 * by walking the chain of continuations.
 */
template<typename CbFnT>
class Callback
{
public:
	/**
	 * @brief Constructor
	 * @param caller The caller's continuation
	 * @param cb The callback function to invoke
	 */
	Callback(std::shared_ptr<AsyncContinuation> caller, std::function<CbFnT> cb)
	: callerContinuation(std::move(caller)), callback(std::move(cb))
	{}

public:
	std::shared_ptr<AsyncContinuation> callerContinuation;
	std::function<CbFnT> callback;
};

} // namespace smo

#endif // CALLBACK_H