use type_sets::*;
fn accepts_superset<T: SupersetOf<Set!(u32)>>() {}
fn accepts_subset<T: SubsetOf<Set!(u32, u64)>>() {}
fn accepts_contains<T: Contains<u32>>() {}
#[test]
fn test() {
accepts_superset::<Set<(u32,)>>();
accepts_superset::<Set<(u64, u32)>>();
accepts_contains::<Set!(u32)>();
accepts_contains::<Set!(u32, u64)>();
accepts_subset::<Set!(u32, u64)>();
}