#ifndef AST_H
#define AST_H

#include <stdlib.h>

#define PROGRAM_NODE 0

typedef struct ast_node {
  int type;
  void* value;
  struct ast_node* left;
  struct ast_node* right;
} ast_node;

ast_node* create_program_node(ast_node* previous_node, ast_node* current_node);

#endif // AST_H