table/iterator.go
func (itr *blockIterator) SeekToLast() {
	itr.err = nil
	for itr.Init(); itr.Valid(); itr.Next() {
	}
	itr.Prev()
}
func (itr *blockIterator) SeekToLast() {
	itr.err = nil
	for itr.Init(); itr.Valid(); itr.Next() {
	}
	itr.Prev()
}
func ( itr * blockIterator ) SeekToLast ( ) { itr . err = nil for itr . Init ( ) ; itr . Valid ( ) ; itr . Next ( ) { } itr . Prev ( ) }
// SeekToLast brings us to the last element. Valid should return true.
SeekToLast brings us to the last element . Valid should return true .