syntax_data: {"ast_node_type":"variable","tokens":[{"end":63,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let PseudoCanonicalInput { typing_env, value: ty } = query;
context_before: ) -> Result<TyAndLayout<'tcx>, &'tcx LayoutError<'tcx>> {
context_after:     debug!(?ty);