rust/tests/ui/unboxed-closures/unboxed-closures-failed-recursive-fn-2.stderr

error[E0282]: type annotations needed for `Option<T>`
  --> $DIR/unboxed-closures-failed-recursive-fn-2.rs:8:9
   |
LL |     let mut closure0 = None;
   |         ^^^^^^^^^^^^
...
LL |                         return c();
   |                                --- type must be known at this point
   |
help: consider giving `closure0` an explicit type, where the placeholders `_` are specified
   |
LL |     let mut closure0: Option<T> = None;
   |                     +++++++++++

error: aborting due to previous error

For more information about this error, try `rustc --explain E0282`.
pretty: trim paths of unique symbols 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. 2020-09-02 07:40:56 +00:00			error[E0282]: type annotations needed for `Option<T>`
add new `emit_inference_failure_err` 2022-02-14 12:25:26 +00:00			`--> $DIR/unboxed-closures-failed-recursive-fn-2.rs:8:9`
Moved compile-fail tests to ui tests. 2018-08-08 12:28:26 +00:00			`\|`
			`LL \| let mut closure0 = None;`
add new `emit_inference_failure_err` 2022-02-14 12:25:26 +00:00			`\| ^^^^^^^^^^^^`
Only label place where type is needed if span is meaningful 2022-06-25 16:18:25 +00:00			`...`
			`LL \| return c();`
			`\| --- type must be known at this point`
Moved compile-fail tests to ui tests. 2018-08-08 12:28:26 +00:00			`\|`
add new `emit_inference_failure_err` 2022-02-14 12:25:26 +00:00			help: consider giving `closure0` an explicit type, where the placeholders `_` are specified
			`\|`
			`LL \| let mut closure0: Option<T> = None;`
			`\| +++++++++++`
Moved compile-fail tests to ui tests. 2018-08-08 12:28:26 +00:00
			`error: aborting due to previous error`

			For more information about this error, try `rustc --explain E0282`.