Rate  or delete        do      copy     slice       map
or delete 1620746/s         --       -1%      -50%      -71%      -78%
       do 1642036/s         1%        --      -49%      -70%      -78%
     copy 3215434/s        98%       96%        --      -42%      -56%
    slice 5555556/s       243%      238%       73%        --      -24%
      map 7299270/s       350%      345%      127%       31%        --