// Copyright 2015 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. trait From { type Result; fn from(src: Src) -> Self::Result; } trait To { fn to( //~ ERROR `Self: std::marker::Sized` is not satisfied self ) -> >::Result where Dst: From { From::from(self) } } fn main() {}