Function egg_mode::user::relation_lookup

pub fn relation_lookup<'a, 'h, T, I>(
    accts: I, 
    token: &Token, 
    handle: &'h Handle
) -> FutureResponse<'h, Vec<RelationLookup>> where
    T: Into<UserID<'a>>,
    I: IntoIterator<Item = T>, 

Lookup the relations between the authenticated user and the given accounts.