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1 | // Copyright 2015 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. | |
4 | // | |
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. | |
10 | ||
11 | // aux-build:internal_unstable.rs | |
12 | ||
13 | #![feature(allow_internal_unstable)] | |
14 | ||
15 | #[macro_use] | |
16 | extern crate internal_unstable; | |
17 | ||
18 | macro_rules! foo { | |
19 | ($e: expr, $f: expr) => {{ | |
20 | $e; | |
21 | $f; | |
22 | internal_unstable::unstable(); //~ ERROR use of unstable | |
23 | }} | |
24 | } | |
25 | ||
26 | #[allow_internal_unstable] | |
27 | macro_rules! bar { | |
28 | ($e: expr) => {{ | |
29 | foo!($e, | |
30 | internal_unstable::unstable()); | |
31 | internal_unstable::unstable(); | |
32 | }} | |
33 | } | |
34 | ||
35 | fn main() { | |
36 | // ok, the instability is contained. | |
37 | call_unstable_allow!(); | |
38 | construct_unstable_allow!(0); | |
9346a6ac AL |
39 | |x: internal_unstable::Foo| { call_method_allow!(x) }; |
40 | |x: internal_unstable::Bar| { access_field_allow!(x) }; | |
c34b1796 AL |
41 | |
42 | // bad. | |
43 | pass_through_allow!(internal_unstable::unstable()); //~ ERROR use of unstable | |
44 | ||
45 | pass_through_noallow!(internal_unstable::unstable()); //~ ERROR use of unstable | |
46 | ||
47 | ||
48 | ||
49 | println!("{:?}", internal_unstable::unstable()); //~ ERROR use of unstable | |
50 | ||
51 | bar!(internal_unstable::unstable()); //~ ERROR use of unstable | |
52 | } |