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68 lines
2.8 KiB
Plaintext
68 lines
2.8 KiB
Plaintext
error[E0277]: the trait bound `for<'a> T: Trait<'a>` is not satisfied
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--> $DIR/candidate-from-env-universe-err-project.rs:28:19
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LL | trait_bound::<T>();
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| ^ the trait `for<'a> Trait<'a>` is not implemented for `T`
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note: required by a bound in `trait_bound`
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--> $DIR/candidate-from-env-universe-err-project.rs:17:19
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LL | fn trait_bound<T: for<'a> Trait<'a>>() {}
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| ^^^^^^^^^^^^^^^^^ required by this bound in `trait_bound`
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help: consider further restricting this bound
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LL | fn function1<T: Trait<'static> + for<'a> Trait<'a>>() {
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| +++++++++++++++++++
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error[E0277]: the trait bound `for<'a> T: Trait<'a>` is not satisfied
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--> $DIR/candidate-from-env-universe-err-project.rs:39:24
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LL | projection_bound::<T>();
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| ^ the trait `for<'a> Trait<'a>` is not implemented for `T`
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note: required by a bound in `projection_bound`
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--> $DIR/candidate-from-env-universe-err-project.rs:18:24
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LL | fn projection_bound<T: for<'a> Trait<'a, Assoc = usize>>() {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `projection_bound`
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help: consider further restricting this bound
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LL | fn function2<T: Trait<'static, Assoc = usize> + for<'a> Trait<'a>>() {
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| +++++++++++++++++++
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error[E0271]: type mismatch resolving `<T as Trait<'a>>::Assoc == usize`
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--> $DIR/candidate-from-env-universe-err-project.rs:39:24
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LL | projection_bound::<T>();
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| ^ type mismatch resolving `<T as Trait<'a>>::Assoc == usize`
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note: types differ
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--> $DIR/candidate-from-env-universe-err-project.rs:14:18
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LL | type Assoc = usize;
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| ^^^^^
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note: required by a bound in `projection_bound`
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--> $DIR/candidate-from-env-universe-err-project.rs:18:42
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LL | fn projection_bound<T: for<'a> Trait<'a, Assoc = usize>>() {}
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| ^^^^^^^^^^^^^ required by this bound in `projection_bound`
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error: higher-ranked subtype error
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--> $DIR/candidate-from-env-universe-err-project.rs:55:30
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LL | let _higher_ranked_norm: for<'a> fn(<T as Trait<'a>>::Assoc) = |_| ();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: higher-ranked subtype error
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--> $DIR/candidate-from-env-universe-err-project.rs:55:30
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LL | let _higher_ranked_norm: for<'a> fn(<T as Trait<'a>>::Assoc) = |_| ();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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error: aborting due to 5 previous errors
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Some errors have detailed explanations: E0271, E0277.
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For more information about an error, try `rustc --explain E0271`.
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