Micha's Blog

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    obj == null          // true    obj is null          // false
    (object)obj == null  // false
    obj ?? value         // obj

obj == null // true obj is null // false (object)obj == null // false obj ?? value // obj

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    obj == null          // true
    obj is null          // true
    (object)obj == null  // true
    obj ?? value         // value

obj == null // true obj is null // true (object)obj == null // true obj ?? value // value

    /// <summary>
    /// Extension Method on Unity Objects returning whether the object really is null.
    /// </summary>
    /// Unity overloads the '==' operator so that it returns true on both null references
    /// as well as references to destroyed objects. This function only returns true if
    /// the reference truly is null, and returns false for "fake null" objects.
    public static bool IsTrueNull(this UnityEngine.Object ob)
    {
        return (object)ob == null;
    }

/// <summary> /// Extension Method on Unity Objects returning whether the object really is null. /// </summary> /// Unity overloads the '==' operator so that it returns true on both null references /// as well as references to destroyed objects. This function only returns true if /// the reference truly is null, and returns false for "fake null" objects. public static bool IsTrueNull(this UnityEngine.Object ob) { return (object)ob == null; }