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33 lines
782 B
Rust
33 lines
782 B
Rust
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// 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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// #42164
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#![feature(decl_macro)]
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#![allow(dead_code)]
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pub macro m($inner_str:expr) {
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#[doc = $inner_str]
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struct S;
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}
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macro_rules! define_f {
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($name:expr) => {
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#[export_name = $name]
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fn f() {}
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}
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}
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fn main() {
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define_f!(concat!("exported_", "f"));
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m!(stringify!(foo));
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}
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