28 lines
1.2 KiB
Rust
28 lines
1.2 KiB
Rust
// Copyright 2015 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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// (typeof used because it's surprisingly hard to find an unparsed token after a stmt)
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macro_rules! m {
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() => ( i ; typeof ); //~ ERROR expected expression, found reserved keyword `typeof`
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//~| ERROR macro expansion ignores token `typeof`
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//~| ERROR macro expansion ignores token `;`
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//~| ERROR macro expansion ignores token `;`
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}
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fn main() {
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let a: m!(); //~ NOTE the usage of `m!` is likely invalid in type context
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let i = m!(); //~ NOTE the usage of `m!` is likely invalid in expression context
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match 0 {
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m!() => {} //~ NOTE the usage of `m!` is likely invalid in pattern context
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}
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m!(); //~ NOTE in this expansion
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}
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