1 files changed, 1 insertions, 0 deletions
diff --git a/py/obj.h b/py/obj.h
index 0680e6fb1c..45430d4a1c 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -395,3 +395,4 @@ typedef struct _mp_obj_classmethod_t {
 
 // sequence helpers
 void mp_seq_multiply(const void *items, uint item_sz, uint len, uint times, void *dest);
+bool m_seq_get_fast_slice_indexes(machine_uint_t len, mp_obj_t slice, machine_uint_t *begin, machine_uint_t *end);