public FVList <T> PreviousIn(FVList <T> largerList) { return(VListBlock <T> .BackUpOnce(this, largerList)); }
public RVList <T> NextIn(RVList <T> largerList) { return(VListBlock <T> .BackUpOnce(this, largerList)); }
public FVList <T> PreviousIn(FVList <T> largerList) { return(VListBlock <T> .BackUpOnce(this, largerList)); }
public RVList <T> NextIn(RVList <T> largerList) { return(VListBlock <T> .BackUpOnce(this, largerList)); }