27 lines
893 B
Rust
27 lines
893 B
Rust
// Copyright 2012 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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// Make sure that fn-to-block coercion isn't incorrectly lifted over
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// other tycons.
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fn coerce(b: &fn()) -> extern fn() {
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fn lol(f: extern fn(v: &fn()) -> extern fn(),
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g: &fn()) -> extern fn() { return f(g); }
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fn fn_id(f: extern fn()) -> extern fn() { return f }
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return lol(fn_id, b);
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//~^ ERROR mismatched types
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}
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fn main() {
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let i = 8;
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let f = coerce(|| error!("{:?}", i) );
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f();
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}
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