Update code style to modern recommendations. Implement Closable.
Update code style to modern recommendations. Implement Closable.

square/tape,f2prateek/tape,devisnik/tape,andych008/tape,0359xiaodong/tape,wmydz1/tape,andych008/tape,andych008/tape,0359xiaodong/tape,devisnik/tape,wmydz1/tape,square/tape,andych008/tape,devisnik/tape,square/tape,MaTriXy/tape,0359xiaodong/tape,f2prateek/tape,f2prateek/tape,MaTriXy/tape,devisnik/tape,f2prateek/tape,wmydz1/tape,0359xiaodong/tape,wmydz1/tape,MaTriXy/tape