UICollectionView delegate and datasource

collectionview-delegate-datasource.swift

// MARK: - UICollectionView Datasource and Delegate -

func numberOfSections(in collectionView: UICollectionView) -> Int {
    
    return 1
}

func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
    
    // TODO: Implement count.
    return 1
}

func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
    
    let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "cell", for: indexPath)
    return cell
}