Use #[expect(lint)] over #[allow(lint)] where possible (#17822)

crates/ruff_dev/src/format_dev.rs

@@ -63,7 +63,6 @@ fn find_pyproject_config(
 }
 
 /// Find files that ruff would check so we can format them. Adapted from `ruff`.
-#[allow(clippy::type_complexity)]
 fn ruff_check_paths<'a>(
     pyproject_config: &'a PyprojectConfig,
     cli: &FormatArguments,
@@ -135,12 +134,12 @@ impl Statistics {
     }
 
     /// We currently prefer the similarity index, but i'd like to keep this around
-    #[allow(clippy::cast_precision_loss, unused)]
+    #[expect(clippy::cast_precision_loss, unused)]
     pub(crate) fn jaccard_index(&self) -> f32 {
         self.intersection as f32 / (self.black_input + self.ruff_output + self.intersection) as f32
     }
 
-    #[allow(clippy::cast_precision_loss)]
+    #[expect(clippy::cast_precision_loss)]
     pub(crate) fn similarity_index(&self) -> f32 {
         self.intersection as f32 / (self.black_input + self.intersection) as f32
     }
@@ -177,7 +176,7 @@ pub(crate) enum Format {
     Full,
 }
 
-#[allow(clippy::struct_excessive_bools)]
+#[expect(clippy::struct_excessive_bools)]
 #[derive(clap::Args)]
 pub(crate) struct Args {
     /// Like `ruff check`'s files. See `--multi-project` if you want to format an ecosystem
@@ -222,7 +221,7 @@ pub(crate) struct Args {
     #[arg(long)]
     pub(crate) files_with_errors: Option<u32>,
     #[clap(flatten)]
-    #[allow(clippy::struct_field_names)]
+    #[expect(clippy::struct_field_names)]
     pub(crate) log_level_args: LogLevelArgs,
 }
 

crates/ruff_dev/src/generate_rules_table.rs

@@ -34,7 +34,6 @@ fn generate_table(table_out: &mut String, rules: impl IntoIterator<Item = Rule>,
             RuleGroup::Deprecated => {
                 format!("<span title='Rule has been deprecated'>{WARNING_SYMBOL}</span>")
             }
-            #[allow(deprecated)]
             RuleGroup::Preview => {
                 format!("<span title='Rule is in preview'>{PREVIEW_SYMBOL}</span>")
             }
@@ -78,7 +77,7 @@ fn generate_table(table_out: &mut String, rules: impl IntoIterator<Item = Rule>,
             se = "</span>";
         }
 
-        #[allow(clippy::or_fun_call)]
+        #[expect(clippy::or_fun_call)]
         let _ = write!(
             table_out,
             "| {ss}{0}{1}{se} {{ #{0}{1} }} | {ss}{2}{se} | {ss}{3}{se} | {ss}{4}{se} |",

crates/ruff_dev/src/main.rs

@@ -34,7 +34,7 @@ struct Args {
 }
 
 #[derive(Subcommand)]
-#[allow(clippy::large_enum_variant)]
+#[expect(clippy::large_enum_variant)]
 enum Command {
     /// Run all code and documentation generation steps.
     GenerateAll(generate_all::Args),
@@ -82,7 +82,7 @@ fn main() -> Result<ExitCode> {
         command,
         global_options,
     } = Args::parse();
-    #[allow(clippy::print_stdout)]
+    #[expect(clippy::print_stdout)]
     match command {
         Command::GenerateAll(args) => generate_all::main(&args)?,
         Command::GenerateJSONSchema(args) => generate_json_schema::main(&args)?,