mirror of https://github.com/rust-lang/rust
23 lines
865 B
Plaintext
23 lines
865 B
Plaintext
error[E0283]: type annotations needed
|
|
--> $DIR/auto-trait-selection.rs:15:16
|
|
|
|
|
LL | if false { is_trait(foo()) } else { Default::default() }
|
|
| ^^^^^^^^ ----- type must be known at this point
|
|
| |
|
|
| cannot infer type of the type parameter `T` declared on the function `is_trait`
|
|
|
|
|
= note: cannot satisfy `_: Trait<_>`
|
|
note: required by a bound in `is_trait`
|
|
--> $DIR/auto-trait-selection.rs:7:16
|
|
|
|
|
LL | fn is_trait<T: Trait<U>, U: Default>(_: T) -> U {
|
|
| ^^^^^^^^ required by this bound in `is_trait`
|
|
help: consider specifying the generic arguments
|
|
|
|
|
LL | if false { is_trait::<T, U>(foo()) } else { Default::default() }
|
|
| ++++++++
|
|
|
|
error: aborting due to 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0283`.
|