jslinker

class SampleFlowLayout: UICollectionViewLayout {

    override func prepare() {
        guard let collectionView = self.collectionView else { return }
        self.itemAttributes.removeAllObjects()

        // go through every section..
        for section in 0..<collectionView.numberOfSections {
            let numberOfItems = collectionView.numberOfItems(inSection: section)

jslinker

data = data.map { item -> (t, CGFloat) in
	var score: CGFloat!
	autoreleasepool {
	    score = self.converter(item).scoreAgainst(string)
	}
	return (item, score)
}
.filter { return $0.1 > CGFloat(0) }
.sorted { return $0.1 > $1.1 }
.map { return $0.0 }