/// <summary> /// This method calculates an identifier for the objects added to an SplObjectStorage object. /// </summary> /// <remarks> /// The implementation in SplObjectStorage returns the same value as spl_object_hash(). /// /// The storage object will never contain more than one object with the same identifier. /// As such, it can be used to implement a set(a collection of unique values) where /// the quality of an object being unique is determined by the value returned by this function being unique. /// </remarks> public virtual string getHash(object @object) => (@object != null) ? SplObjects.object_hash_internal_string(@object) : string.Empty; // see spl_object_hash()
public static IntStringKey MakeKey(object obj) => new IntStringKey(SplObjects.object_hash_internal(obj));
