Added almost all expr operators

token_array.c

@@ -92,6 +92,7 @@ token_array_iter_peek(Token_Array *array, S64 i){
   Token *result = array->iter_bucket->data + over;
   array->iter_len = save_len;
   array->iter_bucket = save_bucket;
+  array->iter_block = save_block;
   return result;
 }