1 2 3 4 5 6 7 | public static class ObjectExtension { public static bool IsNull(this object obj) => obj == null; public static bool IsNotNull(this object obj) => obj != null; } |
1 2 3 4 5 6 7 | public static class ObjectExtension { public static bool IsNull(this object obj) => obj == null; public static bool IsNotNull(this object obj) => obj != null; } |