Appease clippy.

Author: emilio

src/bindgen/bindings.rs

@@ -143,9 +143,9 @@ impl Bindings {
             std::fs::create_dir_all(dir).unwrap();
         }
         let mut writer = BufWriter::new(File::create(symfile_path).unwrap());
-        write!(&mut writer, "{{\n").expect("writing symbol file header failed");
+        writeln!(&mut writer, "{{").expect("writing symbol file header failed");
         for symbol in self.dynamic_symbols_names() {
-            write!(&mut writer, "{};\n", symbol).expect("writing symbol failed");
+            writeln!(&mut writer, "{};", symbol).expect("writing symbol failed");
         }
         write!(&mut writer, "}};").expect("writing symbol file footer failed");
     }

src/bindgen/cdecl.rs

@@ -236,8 +236,7 @@ impl CDecl {
 
         #[allow(clippy::while_let_on_iterator)]
         while let Some(declarator) = iter_rev.next() {
-            let next_is_pointer = iter_rev.peek().map_or(false, |x| x.is_ptr());
-
+            let next_is_pointer = iter_rev.peek().is_some_and(|x| x.is_ptr());
             match *declarator {
                 CDeclarator::Ptr {
                     is_const,

src/bindgen/ir/constant.rs

@@ -645,7 +645,7 @@ impl Constant {
             return;
         }
 
-        let associated_to_transparent = associated_to_struct.map_or(false, |s| s.is_transparent);
+        let associated_to_transparent = associated_to_struct.is_some_and(|s| s.is_transparent);
 
         let in_body = associated_to_struct.is_some()
             && config.language == Language::Cxx