28 lines
659 B
Rust
28 lines
659 B
Rust
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(); }
|