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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
error[E0038]: the trait `AsyncFn` cannot be made into an object
--> $DIR/dyn-pos.rs:5:16
|
LL | fn foo(x: &dyn async Fn()) {}
| ^^^^^^^^^^ `AsyncFn` cannot be made into an object
|
note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
--> $SRC_DIR/core/src/ops/async_function.rs:LL:COL
|
= note: the trait cannot be made into an object because it contains the generic associated type `CallFuture`
= help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `AsyncFn` for this new enum and using it instead:
&F
std::boxed::Box<F, A>
error[E0038]: the trait `AsyncFnMut` cannot be made into an object
--> $DIR/dyn-pos.rs:5:16
|
LL | fn foo(x: &dyn async Fn()) {}
| ^^^^^^^^^^ `AsyncFnMut` cannot be made into an object
|
note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
--> $SRC_DIR/core/src/ops/async_function.rs:LL:COL
|
= note: the trait cannot be made into an object because it contains the generic associated type `CallMutFuture`
= help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `AsyncFnMut` for this new enum and using it instead:
&F
&mut F
std::boxed::Box<F, A>
error[E0038]: the trait `AsyncFn` cannot be made into an object
--> $DIR/dyn-pos.rs:5:16
|
LL | fn foo(x: &dyn async Fn()) {}
| ^^^^^^^^^^ `AsyncFn` cannot be made into an object
|
note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
--> $SRC_DIR/core/src/ops/async_function.rs:LL:COL
|
= note: the trait cannot be made into an object because it contains the generic associated type `CallFuture`
= help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `AsyncFn` for this new enum and using it instead:
&F
std::boxed::Box<F, A>
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0038]: the trait `AsyncFnMut` cannot be made into an object
--> $DIR/dyn-pos.rs:5:16
|
LL | fn foo(x: &dyn async Fn()) {}
| ^^^^^^^^^^ `AsyncFnMut` cannot be made into an object
|
note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
--> $SRC_DIR/core/src/ops/async_function.rs:LL:COL
|
= note: the trait cannot be made into an object because it contains the generic associated type `CallMutFuture`
= help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `AsyncFnMut` for this new enum and using it instead:
&F
&mut F
std::boxed::Box<F, A>
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0038]: the trait `AsyncFn` cannot be made into an object
--> $DIR/dyn-pos.rs:5:16
|
LL | fn foo(x: &dyn async Fn()) {}
| ^^^^^^^^^^ `AsyncFn` cannot be made into an object
|
note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
--> $SRC_DIR/core/src/ops/async_function.rs:LL:COL
|
= note: the trait cannot be made into an object because it contains the generic associated type `CallFuture`
= help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `AsyncFn` for this new enum and using it instead:
&F
std::boxed::Box<F, A>
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0038]: the trait `AsyncFnMut` cannot be made into an object
--> $DIR/dyn-pos.rs:5:16
|
LL | fn foo(x: &dyn async Fn()) {}
| ^^^^^^^^^^ `AsyncFnMut` cannot be made into an object
|
note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
--> $SRC_DIR/core/src/ops/async_function.rs:LL:COL
|
= note: the trait cannot be made into an object because it contains the generic associated type `CallMutFuture`
= help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `AsyncFnMut` for this new enum and using it instead:
&F
&mut F
std::boxed::Box<F, A>
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0038]: the trait `AsyncFn` cannot be made into an object
--> $DIR/dyn-pos.rs:5:12
|
LL | fn foo(x: &dyn async Fn()) {}
| ^^^^^^^^^^^^^^ `AsyncFn` cannot be made into an object
|
note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
--> $SRC_DIR/core/src/ops/async_function.rs:LL:COL
|
= note: the trait cannot be made into an object because it contains the generic associated type `CallFuture`
::: $SRC_DIR/core/src/ops/async_function.rs:LL:COL
|
= note: the trait cannot be made into an object because it contains the generic associated type `CallMutFuture`
= help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `AsyncFn` for this new enum and using it instead:
&F
std::boxed::Box<F, A>
error: aborting due to 7 previous errors
For more information about this error, try `rustc --explain E0038`.
|
