Adam Waite adamwaite
danielctull
/ UICollectionViewFlowLayout+DelegateAccess.swift
Last active
May 16, 2019 14:00
Wraps the six UICollectionViewFlowLayout delegate methods and their equivalent properties using functional programming techniques, so that values are easier to retrieve. Full details at: http://danieltull.co.uk/blog/2018/04/13/simplifying-uicollectionviewflowlayout-delegate-method-usage-with-functional-programming/
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| extension UICollectionViewFlowLayout { | |
| typealias DelegateMethod<Key, Value> = ((UICollectionView, UICollectionViewLayout, Key) -> Value) | |
| private var delegate: UICollectionViewDelegateFlowLayout? { | |
| return collectionView?.delegate as? UICollectionViewDelegateFlowLayout | |
| } | |
| func retrieve<Key, Value>( |
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