Emit a nicer error on impl Self {
#103609
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cc @davidtwco, @compiler-errors, @JohnTitor, @estebank, @TaKO8Ki |
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☔ The latest upstream changes (presumably #103623) made this pull request unmergeable. Please resolve the merge conflicts. |
estebank
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Oct 27, 2022
| @@ -137,3 +137,5 @@ hir_analysis_expected_used_symbol = expected `used`, `used(compiler)` or `used(l | |||
| hir_analysis_missing_parentheses_in_range = can't call method `{$method_name}` on type `{$ty_str}` | |||
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| hir_analysis_add_missing_parentheses_in_range = you must surround the range in parentheses to call its `{$func_name}` function | |||
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| hir_analysis_self_in_impl_self = `Self` is not valid at this location | |||
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Suggested change
| hir_analysis_self_in_impl_self = `Self` is not valid at this location | |
| hir_analysis_self_in_impl_self = `Self` is not valid in the `impl` type |
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Can we add a span label pointing at the Self on its own with the text "not valid at this location"?
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I think that we cant since #[note] spans: MultiSpan is an error, I think the errors are also relatively clear as to what the problematic location is even without that span being there so its not a huge loss. 🤔
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pls squash as well |
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r=me after amending the last commit with a newline on the ftl file |
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Im not sure im supposed to r=you this since i also resolved your review about splitting the visitor instead a separate fn and you didnt mention r+ing this after doing that 😆 |
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impl Self {impl Self {
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…piler-errors
Emit a nicer error on `impl Self {`
currently it emits a "cycle detected error" but this PR makes it emit a more user friendly error specifically saying that `Self` is disallowed in that position. this is a pretty hacky fix so i dont expect this to be merged (I basically only made this PR because i wanted to see if CI passes)
r? `@compiler-errors`
This was referenced Oct 28, 2022
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…iaskrgr Rollup of 6 pull requests Successful merges: - rust-lang#103585 (Migrate source line numbers CSS to CSS variables) - rust-lang#103608 (Remap early bound lifetimes in return-position `impl Trait` in traits too) - rust-lang#103609 (Emit a nicer error on `impl Self {`) - rust-lang#103631 (Add test for issue 36007) - rust-lang#103643 (rustdoc: stop hiding focus outlines on non-rustdoc-toggle details tags) - rust-lang#103645 (Update cargo) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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currently it emits a "cycle detected error" but this PR makes it emit a more user friendly error specifically saying that
Selfis disallowed in that position. this is a pretty hacky fix so i dont expect this to be merged (I basically only made this PR because i wanted to see if CI passes)r? @compiler-errors