syntax_data: {"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":"self.map_bound(|trait_ref|"}]}
source_snippet:         self.map_bound(|trait_ref| {
context_before:     pub fn to_host_effect_clause(self, cx: I, constness: BoundConstness) -> I::Clause {
context_after:             ty::ClauseKind::HostEffect(HostEffectPredicate { trait_ref, constness })