Hashing in a Mock Subclass of an NSObject

ugh.swift

override var hashValue: Int {
    var mutableSelf = self
    
    return withUnsafePointer(to: &mutableSelf) { (ptr) -> Int in
        return ptr.withMemoryRebound(to: Int.self, capacity: 1, {
            return $0.pointee
        })
    }
}