24 lines
830 B
Rust
24 lines
830 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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// pretty-expanded FIXME #23616
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fn f<T>(x: Vec<T>) -> T { return x.into_iter().next().unwrap(); }
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fn g<F>(act: F) -> isize where F: FnOnce(Vec<isize>) -> isize { return act(vec!(1, 2, 3)); }
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pub fn main() {
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assert_eq!(g(f), 1);
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let f1 = f;
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assert_eq!(f1(vec!["x".to_string(), "y".to_string(), "z".to_string()]),
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"x".to_string());
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}
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