[rustc.git] / src / test / ui / expr-block-generic.rs

// run-pass
#![allow(unused_braces)]

fn test_generic<T: Clone, F>(expected: T, eq: F) where F: FnOnce(T, T) -> bool {
    let actual: T = { expected.clone() };
    assert!(eq(expected, actual));
}

fn test_bool() {
    fn compare_bool(b1: bool, b2: bool) -> bool { return b1 == b2; }
    test_generic::<bool, _>(true, 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}, compare_rec);
}

pub fn main() { test_bool(); test_rec(); }
Commit	Line	Data
416331ca	1	// run-pass
ba9703b0	2	#![allow(unused_braces)]
416331ca	3
1a4d82fc JJ	4	fn test_generic<T: Clone, F>(expected: T, eq: F) where F: FnOnce(T, T) -> bool {
	5	let actual: T = { expected.clone() };
	6	assert!(eq(expected, actual));
223e47cc LB	7	}
	8
	9	fn test_bool() {
	10	fn compare_bool(b1: bool, b2: bool) -> bool { return b1 == b2; }
1a4d82fc	11	test_generic::<bool, _>(true, compare_bool);
223e47cc LB	12	}
223e47cc LB	13
1a4d82fc JJ	14	#[derive(Clone)]
1a4d82fc JJ	15	struct Pair {
c34b1796 AL	16	a: isize,
c34b1796 AL	17	b: isize,
1a4d82fc	18	}
223e47cc LB	19
	20	fn test_rec() {
	21	fn compare_rec(t1: Pair, t2: Pair) -> bool {
	22	t1.a == t2.a && t1.b == t2.b
	23	}
1a4d82fc	24	test_generic::<Pair, _>(Pair {a: 1, b: 2}, compare_rec);
223e47cc LB	25	}
	26
	27	pub fn main() { test_bool(); test_rec(); }