33 lines
802 B
Rust
33 lines
802 B
Rust
// Copyright 2014 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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// pretty-expanded FIXME #23616
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trait MyTrait {
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fn foo(&self);
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}
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impl<A, B, C> MyTrait for fn(A, B) -> C {
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fn foo(&self) {}
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}
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fn bar<T: MyTrait>(t: &T) {
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t.foo()
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}
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fn thing(a: isize, b: isize) -> isize {
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a + b
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}
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fn main() {
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let thing: fn(isize, isize) -> isize = thing; // coerce to fn type
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bar(&thing);
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}
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