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
|
error[E0053]: method `call` has an incompatible type for trait
--> $DIR/issue-20225.rs:6:3
|
LL | impl<'a, T> Fn<(&'a T,)> for Foo {
| - this type parameter
LL | extern "rust-call" fn call(&self, (_,): (T,)) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&T`, found type parameter `T`
|
= note: expected fn pointer `extern "rust-call" fn(&Foo, (&'a T,))`
found fn pointer `extern "rust-call" fn(&Foo, (T,))`
error[E0053]: method `call_mut` has an incompatible type for trait
--> $DIR/issue-20225.rs:11:3
|
LL | impl<'a, T> FnMut<(&'a T,)> for Foo {
| - this type parameter
LL | extern "rust-call" fn call_mut(&mut self, (_,): (T,)) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&T`, found type parameter `T`
|
= note: expected fn pointer `extern "rust-call" fn(&mut Foo, (&'a T,))`
found fn pointer `extern "rust-call" fn(&mut Foo, (T,))`
error[E0053]: method `call_once` has an incompatible type for trait
--> $DIR/issue-20225.rs:18:3
|
LL | impl<'a, T> FnOnce<(&'a T,)> for Foo {
| - this type parameter
...
LL | extern "rust-call" fn call_once(self, (_,): (T,)) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&T`, found type parameter `T`
|
= note: expected fn pointer `extern "rust-call" fn(Foo, (&'a T,))`
found fn pointer `extern "rust-call" fn(Foo, (T,))`
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0053`.
|
