state_any.h

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//
// Created by henri on 27/04/21.
//
 
#ifndef STATE_MACHINE_CPP_STATE_ANY_H
#define STATE_MACHINE_CPP_STATE_ANY_H
 
#include "state_instance.h"
 
namespace state_machine_cpp {
    template<class> class hash;
 
    namespace State {
        class Any;
    }
}
 
 
class state_machine_cpp::State::Any {
    State::Instance m_instance;
    bool m_is_instantiated;
 
    bool is_instantiated() const { return m_is_instantiated; }
    const State::Instance& as_provided() const { return m_instance; }
    State::Instance instantiate(unsigned int t_layer) const;
public:
    Any(const State::Id& t_id) // NOLINT(google-explicit-constructor)
            : m_instance(t_id), m_is_instantiated(false) {}
    Any(const State::Instance& t_instance) // NOLINT(google-explicit-constructor)
            : m_instance(t_instance), m_is_instantiated(true) {}
 
    State::Instance as_instance(unsigned int t_layer_if_not_set) const;
};
 
 
#endif //STATE_MACHINE_CPP_STATE_ANY_H