diff options
Diffstat (limited to 'py/objstr.c')
| -rw-r--r-- | py/objstr.c | 22 |
1 files changed, 2 insertions, 20 deletions
diff --git a/py/objstr.c b/py/objstr.c index 3f6aa483e2..92bd71f3de 100644 --- a/py/objstr.c +++ b/py/objstr.c @@ -115,26 +115,8 @@ mp_obj_t str_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) { } #if MICROPY_ENABLE_SLICE } else if (MP_OBJ_IS_TYPE(rhs_in, &slice_type)) { - machine_int_t start, stop, step; - mp_obj_slice_get(rhs_in, &start, &stop, &step); - assert(step == 1); - if (start < 0) { - start = lhs_len + start; - if (start < 0) { - start = 0; - } - } else if (start > lhs_len) { - start = lhs_len; - } - if (stop <= 0) { - stop = lhs_len + stop; - // CPython returns empty string in such case - if (stop < 0) { - stop = start; - } - } else if (stop > lhs_len) { - stop = lhs_len; - } + machine_uint_t start, stop; + assert(m_seq_get_fast_slice_indexes(lhs_len, rhs_in, &start, &stop)); return mp_obj_new_str(lhs_data + start, stop - start, false); #endif } else { |