32 lines
896 B
Rust
32 lines
896 B
Rust
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// 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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trait Test { type T; }
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impl Test for u32 {
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type T = i32;
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}
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pub mod export {
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#[no_mangle]
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pub extern "C" fn issue_28983(t: <u32 as ::Test>::T) -> i32 { t*3 }
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}
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// to test both exporting and importing functions, import
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// a function from ourselves.
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extern "C" {
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fn issue_28983(t: <u32 as Test>::T) -> i32;
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}
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fn main() {
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assert_eq!(export::issue_28983(2), 6);
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assert_eq!(unsafe { issue_28983(3) }, 9);
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}
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