py/obj.h: Add comment why mp_fun_kw_t takes non-const mp_map_t*.

mp_fun_kw_t takes mp_map_t* (and not const mp_map_t*) to ease passing
this arg to mp_map_lookup(), which may modify its arg, depending on
flags.

1 files changed, 2 insertions, 0 deletions

diff --git a/py/obj.h b/py/obj.h
index 6959821cf5..8286ba447b 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -398,6 +398,8 @@ typedef mp_obj_t (*mp_fun_1_t)(mp_obj_t);
 typedef mp_obj_t (*mp_fun_2_t)(mp_obj_t, mp_obj_t);
 typedef mp_obj_t (*mp_fun_3_t)(mp_obj_t, mp_obj_t, mp_obj_t);
 typedef mp_obj_t (*mp_fun_var_t)(size_t n, const mp_obj_t *);
+// mp_fun_kw_t takes mp_map_t* (and not const mp_map_t*) to ease passing
+// this arg to mp_map_lookup().
 typedef mp_obj_t (*mp_fun_kw_t)(size_t n, const mp_obj_t *, mp_map_t *);
 
 typedef enum {