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