//! Demonstrate that the usual derived PartialEq algorithm cannot handle cyclic graphs nor
//! very-deep DAGs and that it handles large amounts of shared structure inefficiently.
#![cfg(test)]usestd::convert::identity;usetests_utils::node_types::rc_pair::DatumAllocator;tests_utils::eq_shapes_tests!(identity,DatumAllocator::new, identity,#[ignore],#[ignore]);