1 files changed, 13 insertions, 1 deletions

diff --git a/src/nodes.h b/src/nodes.h
index 566d6d3..2e24ea5 100644
--- a/src/nodes.h
+++ b/src/nodes.h
@@ -7,8 +7,10 @@ typedef enum NodeType {
     NODE_BOOL,
     NODE_STRING,
     NODE_SYMBOL,
+    NODE_TYPE,
     NODE_DEF,
     NODE_SET,
+    NODE_FUN,
 } NodeType;
 
 typedef struct Node {
@@ -38,13 +40,23 @@ typedef struct Node {
         struct {
             struct Node *symbol;
             struct Node *value;
-            StringView type;
+            struct Node *type;
         } def;
 
+        // Variable assignment.
         struct {
             struct Node *symbol;
             struct Node *value;
         } set;
+
+        // Function definition.
+        struct {
+            struct Node *name;
+            struct Node **param_names;
+            struct Node **param_types;
+            struct Node *return_type;
+            struct Node **body;
+        } fun;
     };
 } Node;