#ifndef jk_FUNCTION_HPP
#define jk_FUNCTION_HPP

#include "commons.hpp"
#include "Program.hpp"

namespace jk
{
  class Value;

  using value_t = std::shared_ptr<Value>;
  using foreign_t = std::function<value_t(std::vector<value_t>)>;

  class Function
  {
  public:
    explicit Function(foreign_t foreign);
    explicit Function(std::shared_ptr<Program> program);

    virtual ~Function();

    std::shared_ptr<Program> program() const { return m_program; }

    value_t call(std::vector<value_t> const& args);

  private:
    foreign_t m_foreign;
    std::shared_ptr<Program> m_program;
  };
}

#endif