When implementing generic algorithms in Swift, follow these best practices to improve code clarity and performance: 1. Place type constraints directly on associated types rather than at the protocol level:
When implementing generic algorithms in Swift, follow these best practices to improve code clarity and performance:
// Not recommended
protocol SortingAlgorithm where Element: Comparable {
associatedtype Element
mutating func sort(_ array: inout [Element])
}
// Recommended
protocol SortingAlgorithm {
associatedtype Element: Comparable
mutating func sort(_ array: inout [Element])
}
// Using a protocol - more flexible but verbose
protocol FilterPredicate {
associatedtype Element
func shouldKeep(_ item: Element) -> Bool
}
// Using a function type - often simpler for basic cases
func filter<T>(_ items: [T], predicate: (T) -> Bool) -> [T] {
return items.filter(predicate)
}
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