{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"(hir::Node::LetStmt(hir::LetStmt"}]}
            (hir::Node::LetStmt(hir::LetStmt { ty: Some(ty), init: Some(init), .. }), _)
        match (self.tcx.parent_hir_node(expr.hir_id), error) {
                if init.hir_id == expr.hir_id =>