Formatting tweaks.

bindgen-tests/tests/parse_callbacks/item_discovery_callback/mod.rs

@@ -18,7 +18,10 @@ impl ParseCallbacks for ItemDiscovery {
     }
 }
 
-fn test_item_discovery_callback(header: &str, expected: HashMap<DiscoveredItemId, DiscoveredItem>) {
+fn test_item_discovery_callback(
+    header: &str,
+    expected: HashMap<DiscoveredItemId, DiscoveredItem>,
+) {
     let discovery = ItemDiscovery::default();
     let info = Rc::clone(&discovery.0);
 
@@ -31,7 +34,6 @@ fn test_item_discovery_callback(header: &str, expected: HashMap<DiscoveredItemId
         .generate()
         .expect("TODO: panic message");
 
-
     compare_item_caches(&info.borrow(), &expected);
 }
 
@@ -104,7 +106,6 @@ fn test_item_discovery_callback_c() {
         "/tests/parse_callbacks/item_discovery_callback/header_item_discovery.h", expected);
 }
 
-
 #[test]
 fn test_item_discovery_callback_cpp() {
     let expected = ItemCache::from([

bindgen/callbacks.rs

@@ -238,8 +238,7 @@ pub enum DiscoveredItem {
 
         /// Type to which this method belongs.
         parent: DiscoveredItemId,
-    }
-    // modules, etc.
+    }, // modules, etc.
 }
 
 /// Relevant information about a type to which new derive attributes will be added using

bindgen/codegen/mod.rs

@@ -2502,10 +2502,7 @@ impl CodeGenerator for CompInfo {
                 },
             };
 
-            cb.new_item_found(
-                discovered_id,
-                discovered_item,
-            );
+            cb.new_item_found(discovered_id, discovered_item);
         });
 
         // The custom derives callback may return a list of derive attributes;
@@ -3071,10 +3068,15 @@ impl Method {
 
         method_names.insert(name.clone());
 
-        ctx.options().for_each_callback(|cb| cb.new_item_found(id, DiscoveredItem::Method {
-            parent: parent_id,
-            final_name: name.clone(),
-        }));
+        ctx.options().for_each_callback(|cb| {
+            cb.new_item_found(
+                id,
+                DiscoveredItem::Method {
+                    parent: parent_id,
+                    final_name: name.clone(),
+                },
+            )
+        });
 
         let mut function_name = function_item.canonical_name(ctx);
         if times_seen > 0 {
@@ -4667,7 +4669,7 @@ impl CodeGenerator for Function {
                 id,
                 DiscoveredItem::Function {
                     final_name: canonical_name.to_string(),
-                }
+                },
             );
         });