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17 lines
309 B
Rust
17 lines
309 B
Rust
//@ run-pass
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// Check that closures implement `Copy`.
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fn call<T, F: FnOnce() -> T>(f: F) -> T { f() }
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fn main() {
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let a = 5;
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let hello = || {
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println!("Hello {}", a);
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a
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};
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assert_eq!(5, call(hello.clone()));
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assert_eq!(5, call(hello));
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assert_eq!(5, call(hello));
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}
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