error: `lattice_fold` should have exactly 0 generic type arguments, actually has 1.
 --> tests/compile-fail/surface_lattice_fold_noarg.rs:6:31
  |
6 |             -> lattice_fold::<hydroflow::lattices::set_union::SetUnionHashSet<u32>>()
  |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: expected 1 argument(s), found 0
 --> tests/compile-fail/surface_lattice_fold_noarg.rs:6:16
  |
6 |             -> lattice_fold::<hydroflow::lattices::set_union::SetUnionHashSet<u32>>()
  |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^