37 lines
973 B
Rust
37 lines
973 B
Rust
// Copyright 2017 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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macro_rules! m {
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($pat: pat) => {
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trait Tr {
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fn trait_method($pat: u8);
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}
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type A = fn($pat: u8);
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extern {
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fn foreign_fn($pat: u8);
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}
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}
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}
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mod good_pat {
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m!(good_pat); // OK
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}
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mod bad_pat {
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m!((bad, pat));
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//~^ ERROR patterns aren't allowed in function pointer types
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//~| ERROR patterns aren't allowed in foreign function declarations
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//~| ERROR patterns aren't allowed in methods without bodies
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}
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fn main() {}
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