20 lines
451 B
Rust
20 lines
451 B
Rust
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#![feature(unsized_tuple_coercion)]
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use std::collections::HashSet;
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fn main() {
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let x : &(i32, i32, [i32]) = &(0, 1, [2, 3]);
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let y : &(i32, i32, [i32]) = &(0, 1, [2, 3, 4]);
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let mut a = [y, x];
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a.sort();
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assert_eq!(a, [x, y]);
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assert_eq!(&format!("{:?}", a), "[(0, 1, [2, 3]), (0, 1, [2, 3, 4])]");
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let mut h = HashSet::new();
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h.insert(x);
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h.insert(y);
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assert!(h.contains(x));
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assert!(h.contains(y));
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}
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