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https://github.com/rust-lang/rust
synced 2024-10-14 12:33:57 +00:00
5de8e6edfc
When both `std::` and `core::` items are available, only suggest the `std::` ones. We ensure that in `no_std` crates we suggest `core::` items. Ensure that the list of items suggested to be imported are always in the order of local crate items, `std`/`core` items and finally foreign crate items. Tweak wording of import suggestion: if there are multiple items but they are all of the same kind, we use the kind name and not the generic "items". Fix #83564.
47 lines
1.9 KiB
Plaintext
47 lines
1.9 KiB
Plaintext
error[E0433]: failed to resolve: use of undeclared type `AtomicUsize`
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--> $DIR/const_refs_to_static-ice-121413.rs:9:24
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LL | static FOO: Sync = AtomicUsize::new(0);
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| ^^^^^^^^^^^ use of undeclared type `AtomicUsize`
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help: consider importing this struct
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LL + use std::sync::atomic::AtomicUsize;
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warning: trait objects without an explicit `dyn` are deprecated
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--> $DIR/const_refs_to_static-ice-121413.rs:9:17
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LL | static FOO: Sync = AtomicUsize::new(0);
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| ^^^^
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
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= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
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= note: `#[warn(bare_trait_objects)]` on by default
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help: if this is an object-safe trait, use `dyn`
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LL | static FOO: dyn Sync = AtomicUsize::new(0);
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| +++
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error[E0277]: the size for values of type `(dyn Sync + 'static)` cannot be known at compilation time
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--> $DIR/const_refs_to_static-ice-121413.rs:9:17
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LL | static FOO: Sync = AtomicUsize::new(0);
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| ^^^^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `(dyn Sync + 'static)`
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error[E0277]: the size for values of type `(dyn Sync + 'static)` cannot be known at compilation time
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--> $DIR/const_refs_to_static-ice-121413.rs:9:24
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LL | static FOO: Sync = AtomicUsize::new(0);
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| ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `(dyn Sync + 'static)`
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= note: constant expressions must have a statically known size
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error: aborting due to 3 previous errors; 1 warning emitted
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Some errors have detailed explanations: E0277, E0433.
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For more information about an error, try `rustc --explain E0277`.
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