mirror of https://github.com/rust-lang/rust
13 lines
343 B
Rust
13 lines
343 B
Rust
//@ run-pass
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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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