rust/src/test/ui/in-band-lifetimes/E0687.rs

// 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

#![allow(warnings)]
#![feature(in_band_lifetimes)]

fn foo(x: fn(&'a u32)) {} //~ ERROR must be explicitly

fn bar(x: &Fn(&'a u32)) {} //~ ERROR must be explicitly

fn baz(x: fn(&'a u32), y: &'a u32) {} //~ ERROR must be explicitly

struct Foo<'a> { x: &'a u32 }

impl Foo<'a> {
    fn bar(&self, x: fn(&'a u32)) {} //~ ERROR must be explicitly
}

fn main() {}