syntax_data: {"ast_node_type":"other","tokens":[{"end":20,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:         match atom {
context_before:     fn add_predicate_atom(&mut self, atom: ty::PredicateKind<I>) {
context_after:             ty::PredicateKind::Clause(ty::ClauseKind::Trait(trait_pred)) => {