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// run-pass
fn test_generic<T, F>(expected: T, not_expected: T, eq: F) where
T: Clone,
F: FnOnce(T, T) -> bool,
{
let actual: T = if true { expected.clone() } else { not_expected };
assert!(eq(expected, actual));
}
fn test_bool() {
fn compare_bool(b1: bool, b2: bool) -> bool { return b1 == b2; }
test_generic::<bool, _>(true, false, compare_bool);
}
#[derive(Clone)]
struct Pair {
a: isize,
b: isize,
}
fn test_rec() {
fn compare_rec(t1: Pair, t2: Pair) -> bool {
t1.a == t2.a && t1.b == t2.b
}
test_generic::<Pair, _>(Pair{a: 1, b: 2}, Pair{a: 2, b: 3}, compare_rec);
}
pub fn main() { test_bool(); test_rec(); }
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