1 files changed, 26 insertions, 1 deletions

diff --git a/types.h b/types.h
index 632e283..f6e3fcf 100644
--- a/types.h
+++ b/types.h
@@ -16,6 +16,7 @@ typedef enum _LispType {
         LISP_TYPE_NIL,
         LISP_TYPE_TRUE,
         LISP_TYPE_FALSE,
+        LISP_TYPE_FUNC,
         LISP_TYPE_ERROR
 } LispType;
         
@@ -39,7 +40,7 @@ typedef struct _LispObject {
                 char *error;
                 long long *number_natural;
                 double *number_float;
-                struct _LispObject (*function)(struct _LispObject*);
+                struct _LispObject *(*func)(struct _LispObject*);
                 List *list;
                 void *ptr;
         } value;
@@ -59,7 +60,31 @@ LISP_OBJECT *lisp_object_make_error(char *str);
 LISP_OBJECT *lisp_object_make_nil();
 LISP_OBJECT *lisp_object_make_true();
 LISP_OBJECT *lisp_object_make_false();
+LISP_OBJECT *lisp_object_make_func(LISP_OBJECT *(*func)(LISP_OBJECT*));
 
 int lisp_object_print(LISP_OBJECT *obj, int indent);
 
+int lisp_object_cmp_types(LISP_OBJECT *a, LISP_OBJECT *b);
+int lisp_object_cmp(LISP_OBJECT *a, LISP_OBJECT *b);
+int lisp_object_cmp_symbol(LISP_OBJECT *a, LISP_OBJECT *b);
+int lisp_object_cmp_numbers(LISP_OBJECT *a, LISP_OBJECT *b);
+int lisp_object_cmp_string(LISP_OBJECT *a, LISP_OBJECT *b);
+
+typedef struct _HashMap
+{
+        char *key;
+        LISP_OBJECT *value;
+        struct _HashMap *prev;
+        struct _HashMap *next;
+
+} HashMap;
+
+HashMap *hash_map_make(char *key, LISP_OBJECT *value);
+HashMap *hash_map_push(HashMap *hash_map, char *key, LISP_OBJECT *value);
+HashMap *hash_map_reverse(HashMap *hash_map);
+HashMap *hash_map_find(HashMap *hash_map, char* key);
+HashMap *hash_map_delete(HashMap *hash_map, char* key);
+void hash_map_free(HashMap *hash_map);
+void hash_map_print(HashMap *hash_map);
+
 #endif