infer-return.swift

import Foundation

public func SelectTypedItemFromArray<T>(array: [AnyObject]) -> T? {
    for eachItem in array {
        if let typedItem = eachItem as? T {
            return typedItem
        }
    }
    return nil
}

let t: String? = SelectTypedItemFromArray([1, 2, "lol"])

println(t) // Optional("lol")