syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"tcx.def_path_hash(*a).cmp(&tcx.def_path_hash(*b))"}]}
source_snippet:                 tcx.def_path_hash(*a).cmp(&tcx.def_path_hash(*b))
context_before:             (ExistentialPredicate::AutoTrait(ref a), ExistentialPredicate::AutoTrait(ref b)) => {
context_after:             }