From f44cc517a27062b3f419c6666e8aa660b6077ace Mon Sep 17 00:00:00 2001 From: Paul Sokolovsky Date: Fri, 26 Jun 2015 17:33:21 +0300 Subject: [PATCH] objstr: Add note that replace() is nicely optimized. Doesn't allocate memory and returns original string if no replacements are to be made. --- py/objstr.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/py/objstr.c b/py/objstr.c index d11f097fca..0afc538b01 100644 --- a/py/objstr.c +++ b/py/objstr.c @@ -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]));