// Copyright 2012 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. use std; struct Deserializer : std::serialization::deserializer{ //~ ERROR obsolete syntax: class traits x: () } type foo = {a: (),}; fn deserialize_foo<__D: std::serialization::deserializer>(&&__d: __D) { } fn main() { let des = Deserializer(); let foo = deserialize_foo(des); }