// Copyright 2017 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. #![allow(warnings)] #![feature(conservative_impl_trait)] trait Id {} trait Lt<'a> {} impl<'a> Lt<'a> for () {} impl Id for T {} fn free_fn_capture_hrtb_in_impl_trait() -> impl for<'a> Id> //~^ ERROR `impl Trait` can only capture lifetimes bound at the fn or impl level [E0657] { () } struct Foo; impl Foo { fn impl_fn_capture_hrtb_in_impl_trait() -> impl for<'a> Id> //~^ ERROR `impl Trait` can only capture lifetimes bound at the fn or impl level { () } } fn main() {}