27 lines
990 B
Plaintext
27 lines
990 B
Plaintext
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error[E0283]: type annotations needed
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--> $DIR/auto-trait-selection.rs:15:16
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LL | if false { is_trait(foo()) } else { Default::default() }
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| ^^^^^^^^ cannot infer type of the type parameter `U` declared on the function `is_trait`
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note: multiple `impl`s satisfying `impl Sized: Trait<_>` found
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--> $DIR/auto-trait-selection.rs:12:1
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LL | impl<T: Send> Trait<u32> for T {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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LL | impl<T> Trait<i32> for T {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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note: required by a bound in `is_trait`
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--> $DIR/auto-trait-selection.rs:7:16
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LL | fn is_trait<T: Trait<U>, U: Default>(_: T) -> U {
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| ^^^^^^^^ required by this bound in `is_trait`
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help: consider specifying the generic arguments
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LL | if false { is_trait::<_, U>(foo()) } else { Default::default() }
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| ++++++++
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0283`.
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