// Copyright 2016 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. #![feature(conservative_impl_trait)] fn main() { let _: impl Fn() = || {}; //~^ ERROR `impl Trait` not allowed outside of function and inherent method return types let _ = || -> impl Fn() { || {} }; //~^ ERROR `impl Trait` not allowed outside of function and inherent method return types }