pub async fn list_unlinked_on_course_rosters(
ctx: &ManualActionContext<'_>,
course_id: Uuid,
) -> CreditRegistrationResult<Option<Vec<RosterPerson>>>Expand description
Lists the rosters of every course code on the course now and keeps the people linked to no account, whenever they enrolled, each once. Stores nothing.
Ok(None) means the registry gave no usable answer for some code.