syntax_data: {"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"from.map_bound(|p|"}]}
source_snippet:         from.map_bound(|p| PredicateKind::Clause(ClauseKind::Trait(p))).upcast(tcx)
context_before:     fn upcast_from(from: PolyTraitPredicate<'tcx>, tcx: TyCtxt<'tcx>) -> Self {
context_after:     }