Run clang-format

source/listing_3.9.cpp

@@ -1,29 +1,33 @@
 #include <mutex>
 
-class some_big_object
-{};
-
-void swap(some_big_object& lhs,some_big_object& rhs)
-{}
-
-class X
-{
-private:
-    some_big_object some_detail;
-    mutable std::mutex m;
-public:
-    X(some_big_object const& sd):some_detail(sd){}
-
-    friend void swap(X& lhs, X& rhs)
-    {
-        if(&lhs==&rhs)
-            return;
-        std::unique_lock<std::mutex> lock_a(lhs.m,std::defer_lock);
-        std::unique_lock<std::mutex> lock_b(rhs.m,std::defer_lock);
-        std::lock(lock_a,lock_b);
-        swap(lhs.some_detail,rhs.some_detail);
-    }
+class some_big_object {
 };
 
-int main()
-{}
+void
+swap(some_big_object& lhs, some_big_object& rhs)
+{
+}
+
+class X {
+private:
+  some_big_object some_detail;
+  mutable std::mutex m;
+
+public:
+  X(some_big_object const& sd) : some_detail(sd) {}
+
+  friend void swap(X& lhs, X& rhs)
+  {
+    if (&lhs == &rhs)
+      return;
+    std::unique_lock<std::mutex> lock_a(lhs.m, std::defer_lock);
+    std::unique_lock<std::mutex> lock_b(rhs.m, std::defer_lock);
+    std::lock(lock_a, lock_b);
+    swap(lhs.some_detail, rhs.some_detail);
+  }
+};
+
+int
+main()
+{
+}