28 lines
1.0 KiB
Rust
28 lines
1.0 KiB
Rust
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// Copyright 2013 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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/*!
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* Try to double-check that const fns have the right size (with or
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* without dummy env ptr, as appropriate) by iterating a size-2 array.
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* If the const size differs from the runtime size, the second element
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* should be read as a null or otherwise wrong pointer and crash.
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*/
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fn f() { }
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const bare_fns: &[extern fn()] = &[f, f];
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// NOTE Why does this not type without the struct?
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struct S(&fn());
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const closures: &[S] = &[S(f), S(f)];
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pub fn main() {
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for bare_fns.each |&bare_fn| { bare_fn() }
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for closures.each |&closure| { (*closure)() }
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}
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