{"ast_node_type":"variable","tokens":[{"end":75,"kind":"keyword","start":0,"text":"let"}]}
                        let current_ty = self.operand_ty(operand, locals)?;
                    PointerCast::ReifyFnPointer | PointerCast::ClosureFnPointer(_) => {
                        if let TyKind::FnDef(_, _) | TyKind::Closure(_, _) =