1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
error[E0282]: type annotations needed
--> $DIR/unbounded-type-param-in-fn-with-assoc-type.rs:8:5
|
LL | foo();
| ^^^ cannot infer type of the type parameter `T` declared on the function `foo`
|
help: consider specifying the generic arguments
|
LL | foo::<T, U>();
| ++++++++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0282`.
Future incompatibility report: Future breakage diagnostic:
warning: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions
--> $DIR/unbounded-type-param-in-fn-with-assoc-type.rs:3:11
|
LL | fn foo<T, U = u64>() -> (T, U) {
| ^^^^^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
|
