impl scopes more or less properly

builtins.c

@@ -1,6 +1,8 @@
 #include "lisp.h"
 
-Node *lisp_function_addition(Nodes *args) {
+Node *lisp_function_addition(Nodes *args, Scopes *scopes) {
+    (void)(scopes);
+
     if (args->count != 2) {
         printf("'+' expects two arguments!\n");
         return NULL;
@@ -20,3 +22,16 @@ Node *lisp_function_addition(Nodes *args) {
     node->as_number = a + b;
     return node;
 }
+
+Node *lisp_function_println(Nodes *args, Scopes *scopes) {
+    if (args->count != 1) {
+        printf("'+' expects one argument!\n");
+        return NULL;
+    }
+
+    Node *result = eval(&args->items[0], scopes);
+    node_print(*result);
+    printf("\n");
+
+    return result;
+}