/// <summary> /// Requires that a bool is null /// </summary> /// <param name="val">bool</param> /// <param name="property">Key or Property Name</param> /// <returns></returns> public Contract <T> IsNull(bool?val, string property) => IsNull(val, property, FluntErrorMessages.IsNullErrorMessage(property));
/// <summary> /// Requires an int is null /// </summary> /// <param name="val"></param> /// <param name="key"></param> /// <returns></returns> public Contract <T> IsNull(int?val, string key) => IsNull(val, key, FluntErrorMessages.IsNullErrorMessage(key));
/// <summary> /// Requires a list is null /// </summary> /// <typeparam name="TList"></typeparam> /// <param name="val"></param> /// <param name="key"></param> /// <returns></returns> public Contract <T> IsNull <TList>(IEnumerable <TList> val, string key) => IsNull(val, key, FluntErrorMessages.IsNullErrorMessage(key));