syntax_data: {"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"(ExistentialPredicate::AutoTrait(ref"}]}
source_snippet:             (ExistentialPredicate::AutoTrait(ref a), ExistentialPredicate::AutoTrait(ref b)) => {
context_before:             }
context_after:                 tcx.def_path_hash(*a).cmp(&tcx.def_path_hash(*b))