9 lines
164 B
Rust
9 lines
164 B
Rust
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fn call_it<T>(f: Box<dyn FnOnce() -> T>) -> T {
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f()
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}
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fn main() {
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let s = "hello".to_owned();
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assert_eq!(&call_it(Box::new(|| s)) as &str, "hello");
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}
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