syntax_data: {"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"self.node_type_opt(id).unwrap_or_else(||"}]}
source_snippet:         self.node_type_opt(id).unwrap_or_else(|| {
context_before:     pub fn node_type(&self, id: HirId) -> Ty<'tcx> {
context_after:             bug!("node_type: no type for node {}", tls::with(|tcx| tcx.hir_id_to_string(id)))