25 lines
576 B
Rust
25 lines
576 B
Rust
fn test_generic<T: Clone, F>(expected: T, eq: F) where F: FnOnce(T, T) -> bool {
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let actual: T = { expected.clone() };
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assert!(eq(expected, actual));
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}
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fn test_bool() {
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fn compare_bool(b1: bool, b2: bool) -> bool { return b1 == b2; }
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test_generic::<bool, _>(true, compare_bool);
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}
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#[derive(Clone)]
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struct Pair {
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a: isize,
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b: isize,
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}
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fn test_rec() {
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fn compare_rec(t1: Pair, t2: Pair) -> bool {
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t1.a == t2.a && t1.b == t2.b
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}
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test_generic::<Pair, _>(Pair {a: 1, b: 2}, compare_rec);
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}
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pub fn main() { test_bool(); test_rec(); }
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