Method First

core/store/common/store.go:37–37

Next item. If item available return true, otherwise return false Prev() bool //previous item. If item available return true, otherwise return false

()

	Next() bool //Next item. If item available return true, otherwise return false
	//Prev() bool           //previous item. If item available return true, otherwise return false
	First() bool //First item. If item available return true, otherwise return false
	//Last() bool           //Last item. If item available return true, otherwise return false
	//Seek(key []byte) bool //Seek key. If item available return true, otherwise return false
	Key() []byte   //Return the current item key