diff options
Diffstat (limited to 'lib/stdlib/src/queue.erl')
| -rw-r--r-- | lib/stdlib/src/queue.erl | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/stdlib/src/queue.erl b/lib/stdlib/src/queue.erl index 67ea0f8be4..a71121ad2d 100644 --- a/lib/stdlib/src/queue.erl +++ b/lib/stdlib/src/queue.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2021. All Rights Reserved. +%% Copyright Ericsson AB 1996-2022. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -703,11 +703,11 @@ r2f([]) -> {[],[]}; r2f([_]=R) -> {[],R}; -r2f([X,Y]) -> - {[X],[Y]}; +r2f([Y,X]) -> + {[Y],[X]}; r2f(List) -> - {FF,RR} = lists:split(length(List) div 2 + 1, List), - {FF,lists:reverse(RR, [])}. + {RR,FF} = lists:split(length(List) div 2, List), + {RR,lists:reverse(FF, [])}. %% Move half of elements from F to R, if there are enough f2r([]) -> @@ -717,5 +717,5 @@ f2r([_]=F) -> f2r([X,Y]) -> {[Y],[X]}; f2r(List) -> - {FF,RR} = lists:split(length(List) div 2 + 1, List), + {FF,RR} = lists:split(length(List) div 2, List), {lists:reverse(RR, []),FF}. |