objlist: Implement support for arbitrary (3-arg) slices.

1 files changed, 1 insertions, 0 deletions

diff --git a/py/obj.h b/py/obj.h
index 6bcebcf6e..b1d9be209 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -579,6 +579,7 @@ bool mp_seq_cmp_bytes(int op, const byte *data1, uint len1, const byte *data2, u
 bool mp_seq_cmp_objs(int op, const mp_obj_t *items1, uint len1, const mp_obj_t *items2, uint len2);
 mp_obj_t mp_seq_index_obj(const mp_obj_t *items, uint len, uint n_args, const mp_obj_t *args);
 mp_obj_t mp_seq_count_obj(const mp_obj_t *items, uint len, mp_obj_t value);
+mp_obj_t mp_seq_extract_slice(uint len, const mp_obj_t *seq, mp_bound_slice_t *indexes);
 // Helper to clear stale pointers from allocated, but unused memory, to preclude GC problems
 #define mp_seq_clear(start, len, alloc_len, item_sz) memset((byte*)(start) + (len) * (item_sz), 0, ((alloc_len) - (len)) * (item_sz))
 #define mp_seq_replace_slice_no_grow(dest, dest_len, beg, end, slice, slice_len, item_t) \