#ifndef TREE_H
#define TREE_H

#include <string>
#include <iostream>
#include <vector>

class Branch
{
public:
    Branch(double length, double radius);
    double volume() const;
    
private:
    double length;
    double radius;
};

class Tree
{
public:
    Tree(std::string const& species);

    void add_branch(Branch const& b);
    void print(std::ostream& os) const;
    double volume() const;
    
private:
    std::vector<Branch> branches;
    std::string species;
};

#endif