{"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"hir::Node::Expr(&hir::Expr"}]}
            hir::Node::Expr(&hir::Expr {
        let yield_span = match tcx.hir_node(self.mir_hir_id()) {
                kind: hir::ExprKind::Closure(&hir::Closure { fn_decl_span, .. }),