use hydroflow::hydroflow_syntax; fn main() { let mut df = hydroflow_syntax! { source_iter([1,2,3,4,5]) -> lattice_fold::<'static, hydroflow::lattices::set_union::SetUnionHashSet>(hydroflow::lattices::set_union::SetUnionHashSet::::default()) -> for_each(|x| println!("Least upper bound: {:?}", x)); }; df.run_available(); }