1 // Copyright 2018 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #![feature(decl_macro)]
13 macro_rules! returns_isize(
19 macro takes_u32_returns_u32($ident:ident) {
20 fn $ident (arg: u32) -> u32;
23 macro_rules! emits_nothing(
27 #[link(name = "rust_test_helpers", kind = "static")]
29 returns_isize!(rust_get_test_int);
30 //~^ ERROR macro invocations in `extern {}` blocks are experimental.
31 takes_u32_returns_u32!(rust_dbg_extern_identity_u32);
32 //~^ ERROR macro invocations in `extern {}` blocks are experimental.
34 //~^ ERROR macro invocations in `extern {}` blocks are experimental.