syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"tcx.def_path_hash(a.def_id).cmp(&tcx.def_path_hash(b.def_id))"}]}
source_snippet:                 tcx.def_path_hash(a.def_id).cmp(&tcx.def_path_hash(b.def_id))
context_before:             (ExistentialPredicate::Projection(ref a), ExistentialPredicate::Projection(ref b)) => {
context_after:             }