From bd4ebf28bdf6eb898971b194f5cf773c88281251 Mon Sep 17 00:00:00 2001 From: Jorge Aparicio Date: Mon, 30 Apr 2018 07:43:22 +0200 Subject: check that #[used] is used only on statics --- src/test/compile-fail/used.rs | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 src/test/compile-fail/used.rs (limited to 'src/test/compile-fail') diff --git a/src/test/compile-fail/used.rs b/src/test/compile-fail/used.rs new file mode 100644 index 00000000000..f170d9c25f5 --- /dev/null +++ b/src/test/compile-fail/used.rs @@ -0,0 +1,28 @@ +// Copyright 2018 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(used)] + +#[used] +static FOO: u32 = 0; // OK + +#[used] //~ ERROR attribute must be applied to a `static` variable +fn foo() {} + +#[used] //~ ERROR attribute must be applied to a `static` variable +struct Foo {} + +#[used] //~ ERROR attribute must be applied to a `static` variable +trait Bar {} + +#[used] //~ ERROR attribute must be applied to a `static` variable +impl Bar for Foo {} + +fn main() {} -- cgit 1.4.1-3-g733a5