src/test/compile-fail/issue-20413.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

// 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 <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.

trait Foo {
  fn answer(self);
}

struct NoData<T>;
//~^ ERROR: parameter `T` is never used

impl<T> Foo for T where NoData<T>: Foo {
//~^ ERROR: overflow evaluating the requirement
  fn answer(self) {
    let val: NoData<T> = NoData;
  }
}

fn main() {}