rust/src/test/run-pass/macro-attributes.rs
2016-10-18 23:23:40 +03:00

34 lines
971 B
Rust

// Copyright 2013-2014 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.
#![feature(custom_attribute)]
macro_rules! compiles_fine {
(#[$at:meta]) => {
// test that the different types of attributes work
#[attribute]
/// Documentation!
#[$at]
// check that the attributes are recognised by requiring this
// to be removed to avoid a compile error
#[cfg(always_remove)]
static MISTYPED: () = "foo";
}
}
// item
compiles_fine!(#[foo]);
pub fn main() {
// statement
compiles_fine!(#[bar]);
}