diff options
author | 卜部昌平 <shyouhei@ruby-lang.org> | 2022-12-19 10:28:51 +0900 |
---|---|---|
committer | 卜部昌平 <shyouhei@ruby-lang.org> | 2022-12-19 11:05:55 +0900 |
commit | 47a6e7b518bf5bebd293519ee89b77c06830f21d (patch) | |
tree | 374c7c996ebffbffb6453edbbad16c9628ce8ac7 /re.c | |
parent | e123695fbccb36e804f5d386a23fd3968b60b825 (diff) | |
download | ruby-47a6e7b518bf5bebd293519ee89b77c06830f21d.tar.gz |
Note about Regexp.linera_time? [ci skip]
Diffstat (limited to 're.c')
-rw-r--r-- | re.c | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -4204,6 +4204,16 @@ rb_reg_s_union_m(VALUE self, VALUE args) * * Regexp.linear_time?(/re/) # => true * + * Note that this is a property of the ruby interpreter, not of the argument + * regular expression. Identical regexp can or cannot run in linear time + * depending on your ruby binary. Neither forward nor backward compatibility + * is guaranteed about the return value of this method. Our current algorithm + * is (*1) but this is subject to change in the future. Alternative + * implementations can also behave differently. They might always return + * false of everything. + * + * (*1): https://doi.org/10.1109/SP40001.2021.00032 + * */ static VALUE rb_reg_s_linear_time_p(int argc, VALUE *argv, VALUE self) |