class_example2.swift

class NoteModel: NSObject {
    
    let userName: String
    let latitude: Double
    let longitude: Double
    let text: String
    let createDateTime: String
    
    init(userName: String, latitude: Double, longitude: Double, text: String, createDateTime: String) {
        self.userName = userName
        self.latitude = latitude
        self.longitude = longitude
        self.text = text
        self.createDateTime = createDateTime
    }
    
    override func isEqual(_ object: Any?) -> Bool {
        guard let _object = object else { return false }
        guard let rhs = _object as? NoteModel else { return false }
        return (self.createDateTime == rhs.createDateTime &&
            self.text == rhs.text &&
            self.userName == rhs.userName &&
            self.latitude == rhs.latitude &&
            self.longitude == rhs.longitude
        )
    }
}