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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
use pin_project_lite::pin_project;
// The same implementation.
pin_project! { //~ ERROR E0119
struct Foo<T, U> {
#[pin]
future: T,
field: U,
}
}
// conflicting implementations
impl<T, U> Unpin for Foo<T, U> where T: Unpin {} // Conditional Unpin impl
// The implementation that under different conditions.
pin_project! { //~ ERROR E0119
struct Bar<T, U> {
#[pin]
future: T,
field: U,
}
}
// conflicting implementations
impl<T, U> Unpin for Bar<T, U> {} // Non-conditional Unpin impl
pin_project! { //~ ERROR E0119
struct Baz<T, U> {
#[pin]
future: T,
field: U,
}
}
// conflicting implementations
impl<T: Unpin, U: Unpin> Unpin for Baz<T, U> {} // Conditional Unpin impl
pin_project! { //~ ERROR E0119
#[project(!Unpin)]
struct Qux<T, U> {
#[pin]
future: T,
field: U,
}
}
// conflicting implementations
impl<T, U> Unpin for Qux<T, U> {} // Non-conditional Unpin impl
pin_project! { //~ ERROR E0119
#[project(!Unpin)]
struct Fred<T, U> {
#[pin]
future: T,
field: U,
}
}
// conflicting implementations
impl<T: Unpin, U: Unpin> Unpin for Fred<T, U> {} // Conditional Unpin impl
fn main() {}
|
