Get memory address in Swift

memoryAddress.swift

///
/// https://stackoverflow.com/a/29741007
///
let s = Struct() // Struct
withUnsafePointer(to: s) {
    print(String(format: "%p", $0)
}

///
/// http://stackoverflow.com/a/36539213/226791
///
func addressOf(_ o: UnsafeRawPointer) -> String {
    let addr = unsafeBitCast(o, to: Int.self)
    return String(format: "%p", addr)
}

func addressOf<T: AnyObject>(_ o: T) -> String {
    let addr = unsafeBitCast(o, to: Int.self)
    return String(format: "%p", addr)
}

memoryWarning.swift

///
/// 強制的にメモリーワーニングを発生させる（実機）
///
let selector = Selector("_performMemoryWarning")
if UIApplication.shared.responds(to: selector) {
    UIApplication.shared.perform(selector)
}