Implementation of Equatable protocol

Equatable.swift

class Category: Object,Equatable {
    dynamic var id:String = ""
    dynamic var name:String = ""
    
    override static func primaryKey() -> String? {
        return "id"
    }
    
    func config(id:String,name:String){
        self.id = id
        self.name = name
    }
    
    func ==(_ lhs: Category, _ rhs: Category) -> Bool {
        return lhs.id == rhs.id
    }
}