07e7823c01
If a symbol name can only be imported from one place for a type, and as long as it was not glob-imported anywhere in the current crate, we can trim its printed path and print only the name. This has wide implications on error messages with types, for example, shortening `std::vec::Vec` to just `Vec`, as long as there is no other `Vec` importable anywhere. This adds a new '-Z trim-diagnostic-paths=false' option to control this feature. On the good path, with no diagnosis printed, we should try to avoid issuing this query, so we need to prevent trimmed_def_paths query on several cases. This change also relies on a previous commit that differentiates between `Debug` and `Display` on various rustc types, where the latter is trimmed and presented to the user and the former is not.
25 lines
829 B
Plaintext
25 lines
829 B
Plaintext
error[E0599]: no method named `clone` found for struct `Foo` in the current scope
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--> $DIR/noncopyable-class.rs:34:16
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LL | struct Foo {
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| ---------- method `clone` not found for this
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...
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LL | let _y = x.clone();
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| ^^^^^ method not found in `Foo`
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::: $SRC_DIR/core/src/clone.rs:LL:COL
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LL | fn clone(&self) -> Self;
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| -----
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| the method is available for `Arc<Foo>` here
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| the method is available for `Rc<Foo>` here
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= help: items from traits can only be used if the trait is implemented and in scope
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= note: the following trait defines an item `clone`, perhaps you need to implement it:
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candidate #1: `Clone`
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0599`.
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