Particle.h

#pragma once
#include <string>
#include <vector>

class Particle {
public:
  Particle(const std::string& name) :
    m_name(name) {
  }

  unsigned getNDaughters() const;

  void addDaughter(const Particle& particle);

  std::string getName() const;

  bool operator == (const Particle& particle) {
    return (m_name == particle.m_name);
  }

private:
  std::string m_name;
  std::vector<Particle const*> m_directDaughters;
};