expand: Some cleanup #82107
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expand: Some cleanup #82107
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Maybe it was used before the introduction of placeholders, but now it has no effect.
Starting from rust-lang#63468 cfg attributes on variants, fields, fn params etc. are processed together with other attributes (via `configure!`).
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| @@ -1192,7 +1188,6 @@ impl<'a, 'b> MutVisitor for InvocationCollector<'a, 'b> { | |||
| } | |||
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| fn visit_pat(&mut self, pat: &mut P<ast::Pat>) { | |||
| self.cfg.configure_pat(pat); | |||
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I can't find a configure! call that configures patterns.
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Patterns themselves do not support attributes (including cfg attributes).
configure_pat only configures fields in PatKind::Struct which are already configure!d in fn flat_map_field_pattern.
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In the future, we might want to try to unify the 'normal' cfg-expansion performed by Regardless, all of these changes look good to me. @bors r+ |
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📌 Commit 6e11a8b has been approved by |
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This was referenced Feb 15, 2021
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…as-schievink Rollup of 19 pull requests Successful merges: - rust-lang#81503 (Suggest to create a new `const` item if the `fn` in the array is a `const fn`) - rust-lang#81897 (Add match pattern diagnostics regression test) - rust-lang#81975 (Seal the CommandExt, OsStrExt and OsStringExt traits) - rust-lang#82009 (const_generics: Dont evaluate array length const when handling errors) - rust-lang#82060 (Fix typos in BTreeSet::{first, last} docs) - rust-lang#82061 (CTFE validation: catch ReadPointerAsBytes and better error) - rust-lang#82063 (Fixed minor typo in catch_unwind docs) - rust-lang#82067 (const_generics: Fix incorrect ty::ParamEnv::empty() usage) - rust-lang#82077 (Edit `rustc_arena::DropArena` docs) - rust-lang#82096 (Fix a typo) - rust-lang#82106 (Remove unnecessary `Option` in `default_doc`) - rust-lang#82107 (expand: Some cleanup) - rust-lang#82118 (Add missing env!-decl variant) - rust-lang#82119 (Fix typo in link to CreateSymbolicLinkW documentation.) - rust-lang#82120 (Stabilize Arguments::as_str) - rust-lang#82129 (Remove redundant bool_to_option feature gate) - rust-lang#82133 (Update link for extern prelude.) - rust-lang#82141 (32-bit ARM: Emit `lr` instead of `r14` when specified as an `asm!` output register.) - rust-lang#82147 (:arrow_up: rust-analyzer) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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r? @Aaron1011