// Copyright 2014 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::marker::MarkerTrait; pub trait AbstractRenderer : MarkerTrait {} fn _create_render(_: &()) -> AbstractRenderer //~^ ERROR: the trait `core::marker::Sized` is not implemented { match 0 { _ => unimplemented!() } } fn main() { }