From bfbd94401d9cf658fc50b2e45896aba300a7af71 Mon Sep 17 00:00:00 2001
From: Damien George
Date: Thu, 9 Jan 2020 11:01:14 +1100
Subject: py: Make mp_obj_get_type() return a const ptr to mp_obj_type_t.

Most types are in rodata/ROM, and mp_obj_base_t.type is a constant pointer,
so enforce this const-ness throughout the code base.  If a type ever needs
to be modified (eg a user type) then a simple cast can be used.
---
 py/objstrunicode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'py/objstrunicode.c')

diff --git a/py/objstrunicode.c b/py/objstrunicode.c
index 5a127243b..e5a57ab94 100644
--- a/py/objstrunicode.c
+++ b/py/objstrunicode.c
@@ -176,7 +176,7 @@ const byte *str_index_to_ptr(const mp_obj_type_t *type, const byte *self_data, s
 }
 
 STATIC mp_obj_t str_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
-    mp_obj_type_t *type = mp_obj_get_type(self_in);
+    const mp_obj_type_t *type = mp_obj_get_type(self_in);
     assert(type == &mp_type_str);
     GET_STR_DATA_LEN(self_in, self_data, self_len);
     if (value == MP_OBJ_SENTINEL) {
-- 
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