Tweak DefPathData
#139662
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Tweak DefPathData
#139662
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No need to convert the `DefKind` to `DefPathData`, they're very similar types.
PR rust-lang#137977 changed `DefPathData::TypeNs` to contain `Option<Symbol>` to account for RPITIT assoc types being anonymous. This commit changes it back to `Symbol` and gives anonymous assoc types their own variant. It makes things a bit nicer overall.
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Some changes occurred in src/tools/clippy cc @rust-lang/clippy Some changes occurred in compiler/rustc_sanitizers cc @rcvalle |
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| DefKind::AssocTy => { | ||
| if let Some(name) = name { | ||
| DefPathData::TypeNs(name) | ||
| } else { | ||
| DefPathData::AnonAssocTy | ||
| } | ||
| } |
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I know it's a matter of taste, but I find the following more compact and as readable,feel free to ignore:
Suggested change
| DefKind::AssocTy => { | |
| if let Some(name) = name { | |
| DefPathData::TypeNs(name) | |
| } else { | |
| DefPathData::AnonAssocTy | |
| } | |
| } | |
| DefKind::AssocTy => name.map_or(DefPathData::AnonAssocTy, DefPathData::TypeNs), |
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I prefer the if statement
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Give them their own symbol `anon_assoc`, as is done for all the other anonymous `DefPathData` variants.
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nnethercote
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Apr 11, 2025
| @@ -451,6 +446,7 @@ impl DefPathData { | |||
| Ctor => DefPathDataName::Anon { namespace: sym::constructor }, | |||
| AnonConst => DefPathDataName::Anon { namespace: sym::constant }, | |||
| OpaqueTy => DefPathDataName::Anon { namespace: sym::opaque }, | |||
| AnonAssocTy => DefPathDataName::Anon { namespace: sym::anon_assoc }, | |||
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I'm not 100% certain about the name anon_assoc, happy to hear alternative suggestions.
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I'm not a huge fan of the name, but not enough to try to think of a new name. Ideally we wouldn't render this at all in diagnostics, but special casing all diagnostics that render paths would be difficult b/c we'd need to work out an alternative to rendering the path of the anonymous GAT.
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r? compiler-errors @bors r+ rollup |
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Rollup of 7 pull requests Successful merges: - rust-lang#137835 (Use `BinOp::Cmp` for `iNN::signum`) - rust-lang#139584 (Avoid a reverse map that is only used in diagnostics paths) - rust-lang#139638 (Cleanup the `InstSimplify` MIR transformation) - rust-lang#139653 (Handle a negated literal in `eat_token_lit`.) - rust-lang#139662 (Tweak `DefPathData`) - rust-lang#139664 (Reuse address-space computation from global alloc) - rust-lang#139687 (Add spastorino to users_on_vacation) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#139662 - nnethercote:tweak-DefPathData, r=compiler-errors Tweak `DefPathData` Some improvements in and around `DefPathData`, following on from rust-lang#137977. r? `@spastorino`
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Apr 22, 2025
…ompiler-errors Tweak `DefPathData` Some improvements in and around `DefPathData`, following on from rust-lang#137977. r? `@spastorino`
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Some improvements in and around
DefPathData, following on from #137977.r? @spastorino