syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"siblings.find(|&sibling|"}]}
source_snippet:                 siblings.find(|&sibling| visited.insert(sibling.upcast(tcx)))
context_before:             if let Some(next_inner_most_trait_ref) =
context_after:             {