syntax_data: {"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"|(predicate,"}]}
source_snippet:                 |(predicate, span)| {
context_before:             let obligations = tcx.predicates_of(goal.def_id).instantiate_own(tcx, goal.args).map(
context_after:                     traits::Obligation::new(