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
1.0 KiB
Plaintext
25 lines
1.0 KiB
Plaintext
error[E0275]: overflow evaluating the requirement `K: Send`
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--> $DIR/recursion_limit.rs:34:5
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LL | fn is_send<T:Send>() { }
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| ---- required by this bound in `is_send`
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...
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LL | is_send::<A>();
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| ^^^^^^^^^^^^
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= help: consider adding a `#![recursion_limit="20"]` attribute to your crate (`recursion_limit`)
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= note: required because it appears within the type `J`
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= note: required because it appears within the type `I`
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= note: required because it appears within the type `H`
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= note: required because it appears within the type `G`
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= note: required because it appears within the type `F`
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= note: required because it appears within the type `E`
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= note: required because it appears within the type `D`
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= note: required because it appears within the type `C`
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= note: required because it appears within the type `B`
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= note: required because it appears within the type `A`
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0275`.
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