rust/src/test/compile-fail/feature-gate-on-unimplemented.rs
Luke Gallagher 03ff28135c Add feature gate tests
As part of the audit for #22820 the following feature gate tests have
been added:

* `negate_unsigned`
* `on_unimplemented`
* `optin_builtin_traits`
* `plugin`
* `rustc_attrs`
* `slice_patterns`
2015-04-24 10:10:48 +10:00

20 lines
732 B
Rust

// 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.
// Test that `#[rustc_on_unimplemented]` is gated by `on_unimplemented` feature
// gate.
#[rustc_on_unimplemented = "test error `{Self}` with `{Bar}`"]
//~^ ERROR the `#[rustc_on_unimplemented]` attribute is an experimental feature
trait Foo<Bar>
{}
fn main() {}