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
|
error[E0407]: method `unimplemented` is not a member of trait `std::ops::Add`
--> $DIR/post-analysis-user-facing-param-env.rs:12:5
|
LL | / fn unimplemented(self, _: &Foo) -> Self::Output {
LL | |
LL | |
LL | | loop {}
LL | | }
| |_____^ not a member of trait `std::ops::Add`
warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/post-analysis-user-facing-param-env.rs:2:12
|
LL | #![feature(generic_const_exprs)]
| ^^^^^^^^^^^^^^^^^^^
|
= note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
= note: `#[warn(incomplete_features)]` on by default
error[E0046]: not all trait items implemented, missing: `Output`, `add`
--> $DIR/post-analysis-user-facing-param-env.rs:6:1
|
LL | / impl<'a, const NUM: usize> std::ops::Add<&'a Foo> for Foo
LL | |
LL | |
LL | | where
LL | | [(); 1 + 0]: Sized,
| |_______________________^ missing `Output`, `add` in implementation
|
= help: implement the missing item: `type Output = /* Type */;`
= help: implement the missing item: `fn add(self, _: &'a Foo) -> <Self as Add<&'a Foo>>::Output { todo!() }`
error[E0207]: the const parameter `NUM` is not constrained by the impl trait, self type, or predicates
--> $DIR/post-analysis-user-facing-param-env.rs:6:10
|
LL | impl<'a, const NUM: usize> std::ops::Add<&'a Foo> for Foo
| ^^^^^^^^^^^^^^^^ unconstrained const parameter
|
= note: expressions using a const parameter must map each value to a distinct output value
= note: proving the result of expressions other than the parameter are unique is not supported
error[E0284]: type annotations needed
--> $DIR/post-analysis-user-facing-param-env.rs:12:40
|
LL | fn unimplemented(self, _: &Foo) -> Self::Output {
| ^^^^^^^^^^^^ cannot infer the value of const parameter `NUM`
|
note: required for `Foo` to implement `Add<&'a Foo>`
--> $DIR/post-analysis-user-facing-param-env.rs:6:28
|
LL | impl<'a, const NUM: usize> std::ops::Add<&'a Foo> for Foo
| ---------------- ^^^^^^^^^^^^^^^^^^^^^^ ^^^
| |
| unsatisfied trait bound introduced here
error: aborting due to 4 previous errors; 1 warning emitted
Some errors have detailed explanations: E0046, E0207, E0284, E0407.
For more information about an error, try `rustc --explain E0046`.
|
