fix plen/2 - return 0

2016-01-25 14:46:30 +08:00 · 2016-01-25 14:46:30 +08:00 · f65676c232
parent d8c116a502
commit f65676c232
1 changed files with 2 additions and 2 deletions
--- a/src/priority_queue.erl
+++ b/src/priority_queue.erl
@ -98,8 +98,8 @@ len({pqueue, Queues}) ->

 plen(0, {queue, _R, _F, L}) ->
    L;
-plen(P, {queue, _R, _F, _}) ->
-    erlang:error(badarg, [P]);
+plen(_, {queue, _R, _F, _}) ->
+    0;
 plen(P, {pqueue, Queues}) ->
    case lists:keysearch(maybe_negate_priority(P), 1, Queues) of
        {value, {_, Q}} -> len(Q);