syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"ty::PredicateKind::Clause(ty::ClauseKind::Trait(trait_pred))"}]}
source_snippet:             ty::PredicateKind::Clause(ty::ClauseKind::Trait(trait_pred)) => {
context_before:         match atom {
context_after:                 self.add_args(trait_pred.trait_ref.args.as_slice());