Swift 2.3 IndexPath error in CollectionView

Question

Hi I am somewhat new to iOS and swift. I recently switched to swift 2.3 and now I am getting this error

Use of undeclared type 'IndexPath'

for this method

override func collectionView(collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell 

Any Ideas??

Answer 1

The function parameter should be NSIndexPath not IndexPath . Xcode 8+ uses the documentation and code completion for Swift 3.0 .

Swift 2.3 syntax:

func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell

Swift 3.0 syntax:

func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath)

Answer 2

Yup! It's wrong in the Apple documentation. Not sure why they don't just fix it