18 lines
673 B
Rust
18 lines
673 B
Rust
// Copyright 2016 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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#![feature(type_macros, concat_idents)]
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#[derive(Debug)] //~ NOTE in this expansion
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struct Baz<T>(
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concat_idents!(Foo, Bar) //~ ERROR `derive` cannot be used on items with type macros
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);
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fn main() {}
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