mirror of https://github.com/rust-lang/rust.git
19 lines
457 B
Rust
19 lines
457 B
Rust
//@ run-pass
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fn test_generic<T: Clone, F>(expected: Box<T>, eq: F) where F: FnOnce(Box<T>, Box<T>) -> bool {
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let actual: Box<T> = match true {
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true => { expected.clone() },
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_ => panic!("wat")
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};
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assert!(eq(expected, actual));
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}
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fn test_box() {
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fn compare_box(b1: Box<bool>, b2: Box<bool>) -> bool {
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return *b1 == *b2;
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}
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test_generic::<bool, _>(Box::new(true), compare_box);
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}
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pub fn main() { test_box(); }
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