Method Next

iterator/iterator.go:27–27

Next returns the next value in the iteration if there is one, and reports whether the returned value is valid. Once Next returns ok==false, the iteration is over, and all subsequent calls will return ok==false.

()

	// Once Next returns ok==false, the iteration is over,
	// and all subsequent calls will return ok==false.
	Next() (item T, ok bool)
}

// ResettableIterator supports to reset the iterator