1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
// Test that `Clone` is correctly implemented for builtin types.
// Also test that cloning an array or a tuple is done right, i.e.
// each component is cloned.
fn test_clone<T: Clone>(arg: T) {
let _ = arg.clone();
}
fn foo() {}
#[derive(Debug, PartialEq, Eq)]
struct S(i32);
impl Clone for S {
fn clone(&self) -> Self {
S(self.0 + 1)
}
}
#[test]
fn builtin_clone() {
test_clone(foo);
test_clone([1; 56]);
test_clone((1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1));
let a = [S(0), S(1), S(2)];
let b = [S(1), S(2), S(3)];
assert_eq!(b, a.clone());
let a = ((S(1), S(0)), ((S(0), S(0), S(1)), S(0)));
let b = ((S(2), S(1)), ((S(1), S(1), S(2)), S(1)));
assert_eq!(b, a.clone());
}
|
