/// A trait representing a generic entity with a unique identifier.
////// This trait provides methods to retrieve and set the identifier of an entity.
/// The identifier can be of any type that implements the `T` generic type parameter.
pubtraitID<K> {/// Get the unique identifier of the entity.
////// # Returns
////// A value of type `T` that represents the unique identifier.
fnid(&self)-> K;/// Set the unique identifier of the entity.
////// # Parameters
////// * `id` - A value of type `T` representing the new unique identifier to be set.
fnset_id(&mutself, id: K);}