fn course_op(
course: &mut CourseSettingsCourse,
op: &Op,
rest: &[String],
ids: &mut CreatedIdLog<'_>,
) -> Result<(), EditError>fn course_op(
course: &mut CourseSettingsCourse,
op: &Op,
rest: &[String],
ids: &mut CreatedIdLog<'_>,
) -> Result<(), EditError>