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
34
35
36
37
38
39
40
41
42
43
44
use secs::World;
fn optional_components() {
let world = World::default();
world.query(
|_,
//~^ ERROR: is not a valid query
_: &u32,
_: &i32,
_: &u8,
_: &i8,
_: &u64,
_: &i64,
_: &u16,
_: &i16,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &u128,
_: &i128| {},
);
}