Commit f44cc517 authored by Paul Sokolovsky's avatar Paul Sokolovsky
Browse files

objstr: Add note that replace() is nicely optimized.

Doesn't allocate memory and returns original string if no replacements are
to be made.
parent abfd4da2
......@@ -1465,6 +1465,8 @@ not_enough_args:
return mp_obj_new_str_from_vstr(&mp_type_str, &vstr);
}
// The implementation is optimized, returning the original string if there's
// nothing to replace.
STATIC mp_obj_t str_replace(mp_uint_t n_args, const mp_obj_t *args) {
assert(MP_OBJ_IS_STR_OR_BYTES(args[0]));
......
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