6c5e1d0925
concat_idents! is not as useful as it could be, due to macros only being allowed in limited places, and hygiene, so lets feature gate it until we make a decision about it. cc #13294
14 lines
554 B
Rust
14 lines
554 B
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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fn main() {
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concat_idents!(a, b); //~ ERROR `concat_idents` is not stable enough
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}
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