linkedlist: remove unused methods

PR-URL: https://github.com/nodejs/node/pull/11726
Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Rod Vagg <rod@vagg.org>

1 files changed, 0 insertions, 16 deletions

diff --git a/lib/internal/linkedlist.js b/lib/internal/linkedlist.js
index a8cba6d009b..d2e868a2cfd 100644
--- a/lib/internal/linkedlist.js
+++ b/lib/internal/linkedlist.js
@@ -5,26 +5,12 @@ function init(list) {
   list._idlePrev = list;
 }
 
-// create a new linked list
-function create() {
-  const list = { _idleNext: null, _idlePrev: null };
-  init(list);
-  return list;
-}
-
 // show the most idle item
 function peek(list) {
   if (list._idlePrev === list) return null;
   return list._idlePrev;
 }
 
-// remove the most idle item from the list
-function shift(list) {
-  const first = list._idlePrev;
-  remove(first);
-  return first;
-}
-
 // remove a item from its list
 function remove(item) {
   if (item._idleNext) {
@@ -61,9 +47,7 @@ function isEmpty(list) {
 
 module.exports = {
   init,
-  create,
   peek,
-  shift,
   remove,
   append,
   isEmpty