1544         enum CustomError {  enum
1549         impl fmt::Display for CustomError {  implementation
1552                     CustomError::SomeError => write!(f, "my custom error"),  in fmt()
1553                     CustomError::Sqlite(ref se) => write!(f, "my custom error: {}", se),  in fmt()
1558         impl StdError for CustomError {  implementation
1565                     CustomError::SomeError => None,  in cause()
1566                     CustomError::Sqlite(ref se) => Some(se),  in cause()
1571         impl From<Error> for CustomError {  implementation
1572             fn from(se: Error) -> CustomError {  in from()  argument
1573                 CustomError::Sqlite(se)  in from()
1577         type CustomResult<T> = Result<T, CustomError>;
1648                 .query_and_then(NO_PARAMS, |row| row.get(1).map_err(CustomError::Sqlite))  in test_query_and_then_custom_error()
1669                 .query_and_then(NO_PARAMS, |row| row.get(1).map_err(CustomError::Sqlite))  in test_query_and_then_custom_error_fails()
1674                 CustomError::Sqlite(Error::InvalidColumnType(..)) => (),  in test_query_and_then_custom_error_fails()
1679                 .query_and_then(NO_PARAMS, |row| row.get(3).map_err(CustomError::Sqlite))  in test_query_and_then_custom_error_fails()
1684                 CustomError::Sqlite(Error::InvalidColumnIndex(_)) => (),  in test_query_and_then_custom_error_fails()
1689                 .query_and_then(NO_PARAMS, |_| Err(CustomError::SomeError))  in test_query_and_then_custom_error_fails()
1694                 CustomError::SomeError => (),  in test_query_and_then_custom_error_fails()
1710                 row.get(1).map_err(CustomError::Sqlite)  in test_query_row_and_then_custom_error()
1727                 row.get(1).map_err(CustomError::Sqlite)  in test_query_row_and_then_custom_error_fails()
1731                 CustomError::Sqlite(Error::InvalidColumnType(..)) => (),  in test_query_row_and_then_custom_error_fails()
1736                 row.get(3).map_err(CustomError::Sqlite)  in test_query_row_and_then_custom_error_fails()
1740                 CustomError::Sqlite(Error::InvalidColumnIndex(_)) => (),  in test_query_row_and_then_custom_error_fails()
1745                 db.query_row_and_then(query, NO_PARAMS, |_| Err(CustomError::SomeError));  in test_query_row_and_then_custom_error_fails()
1748                 CustomError::SomeError => (),  in test_query_row_and_then_custom_error_fails()