Address clippy lints

src/codegen/mod.rs

@@ -3439,7 +3439,7 @@ impl std::str::FromStr for AliasVariation {
 }
 
 /// Enum for how non-Copy unions should be translated.
-#[derive(Copy, Clone, PartialEq, Debug)]
+#[derive(Copy, Clone, PartialEq, Eq, Debug)]
 pub enum NonCopyUnionStyle {
     /// Wrap members in a type generated by bindgen.
     BindgenWrapper,

src/ir/enum_ty.rs

@@ -165,7 +165,7 @@ impl Enum {
             return false;
         }
 
-        self.variants().iter().any(|v| enums.matches(&v.name()))
+        self.variants().iter().any(|v| enums.matches(v.name()))
     }
 
     /// Returns the final representation of the enum.

src/ir/var.rs

@@ -325,8 +325,7 @@ impl ClangSubItemParser for Var {
 
                     let mut val = cursor.evaluate().and_then(|v| v.as_int());
                     if val.is_none() || !kind.signedness_matches(val.unwrap()) {
-                        let tu = ctx.translation_unit();
-                        val = get_integer_literal_from_cursor(&cursor, tu);
+                        val = get_integer_literal_from_cursor(&cursor);
                     }
 
                     val.map(|val| {
@@ -391,10 +390,7 @@ fn parse_int_literal_tokens(cursor: &clang::Cursor) -> Option<i64> {
     }
 }
 
-fn get_integer_literal_from_cursor(
-    cursor: &clang::Cursor,
-    unit: &clang::TranslationUnit,
-) -> Option<i64> {
+fn get_integer_literal_from_cursor(cursor: &clang::Cursor) -> Option<i64> {
     use clang_sys::*;
     let mut value = None;
     cursor.visit(|c| {
@@ -403,7 +399,7 @@ fn get_integer_literal_from_cursor(
                 value = parse_int_literal_tokens(&c);
             }
             CXCursor_UnexposedExpr => {
-                value = get_integer_literal_from_cursor(&c, unit);
+                value = get_integer_literal_from_cursor(&c);
             }
             _ => (),
         }

src/lib.rs

@@ -2647,7 +2647,7 @@ impl Bindings {
             .as_ref()
             .and_then(|f| f.to_str())
         {
-            cmd.args(&["--config-path", path]);
+            cmd.args(["--config-path", path]);
         }
 
         let mut child = cmd.spawn()?;

src/options.rs

@@ -39,7 +39,7 @@ where
                 .help("The default style of code used to generate enums.")
                 .value_name("variant")
                 .default_value("consts")
-                .possible_values(&[
+                .possible_values([
                     "consts",
                     "moduleconsts",
                     "bitfield",
@@ -98,14 +98,14 @@ where
                 .help("The default signed/unsigned type for C macro constants.")
                 .value_name("variant")
                 .default_value("unsigned")
-                .possible_values(&["signed", "unsigned"])
+                .possible_values(["signed", "unsigned"])
                 .multiple_occurrences(false),
             Arg::new("default-alias-style")
                 .long("default-alias-style")
                 .help("The default style of code used to generate typedefs.")
                 .value_name("variant")
                 .default_value("type_alias")
-                .possible_values(&[
+                .possible_values([
                     "type_alias",
                     "new_type",
                     "new_type_deref",
@@ -147,7 +147,7 @@ where
                 )
                 .value_name("style")
                 .default_value("bindgen_wrapper")
-                .possible_values(&[
+                .possible_values([
                     "bindgen_wrapper",
                     "manually_drop",
                 ])

tests/tests.rs

@@ -31,7 +31,7 @@ fn rustfmt(source: String) -> (String, String) {
 
         let mut rustfmt = {
             let mut p = process::Command::new("rustup");
-            p.args(&["run", "nightly", "rustfmt", "--version"]);
+            p.args(["run", "nightly", "rustfmt", "--version"]);
             p
         };
 
@@ -59,13 +59,13 @@ The latest `rustfmt` is required to run the `bindgen` test suite. Install
         Some(r) => process::Command::new(r),
         None => {
             let mut p = process::Command::new("rustup");
-            p.args(&["run", "nightly", "rustfmt"]);
+            p.args(["run", "nightly", "rustfmt"]);
             p
         }
     };
 
     let mut child = child
-        .args(&[
+        .args([
             "--config-path",
             concat!(env!("CARGO_MANIFEST_DIR"), "/tests/rustfmt.toml"),
         ])
@@ -164,7 +164,7 @@ fn error_diff_mismatch(
         let mut actual_result_file = fs::File::create(&actual_result_path)?;
         actual_result_file.write_all(actual.as_bytes())?;
         std::process::Command::new(var)
-            .args(&[filename, &actual_result_path])
+            .args([filename, &actual_result_path])
             .output()?;
     }