From: Eric Wong Date: 2014-09-13T23:55:50+00:00 Subject: [ruby-core:65022] Re: [ruby-trunk - Feature #9632] [PATCH 0/2] speedup IO#close with linked-list from ccan ko1@atdot.net wrote: > 4. Should we use it on compile.c? Yes, and probably gc.c, too. I think it would help improve readability and remove some branches in our current code. I have submitted patches for list_add_after, list_add_before and list_swap functions: https://lists.ozlabs.org/pipermail/ccan/2014-September/thread.html I think this will be next year for Ruby 2.3.