Run clang-format

source/listing_4.9.cpp

@@ -1,40 +1,41 @@
 #include <deque>
-#include <mutex>
 #include <future>
+#include <mutex>
 #include <thread>
 #include <utility>
 
 std::mutex m;
-std::deque<std::packaged_task<void()> > tasks;
+std::deque<std::packaged_task<void()>> tasks;
 
 bool gui_shutdown_message_received();
 void get_and_process_gui_message();
 
-void gui_thread()
+void
+gui_thread()
 {
-    while(!gui_shutdown_message_received())
+  while (!gui_shutdown_message_received()) {
+    get_and_process_gui_message();
+    std::packaged_task<void()> task;
     {
-        get_and_process_gui_message();
-        std::packaged_task<void()> task;
-        {
-            std::lock_guard<std::mutex> lk(m);
-            if(tasks.empty())
-                continue;
-            task=std::move(tasks.front());
-            tasks.pop_front();
-        }
-        task();
+      std::lock_guard<std::mutex> lk(m);
+      if (tasks.empty())
+        continue;
+      task = std::move(tasks.front());
+      tasks.pop_front();
     }
+    task();
+  }
 }
 
 std::thread gui_bg_thread(gui_thread);
 
-template<typename Func>
-std::future<void> post_task_for_gui_thread(Func f)
+template <typename Func>
+std::future<void>
+post_task_for_gui_thread(Func f)
 {
-    std::packaged_task<void()> task(f);
-    std::future<void> res=task.get_future();
-    std::lock_guard<std::mutex> lk(m);
-    tasks.push_back(std::move(task));
-    return res;
+  std::packaged_task<void()> task(f);
+  std::future<void> res = task.get_future();
+  std::lock_guard<std::mutex> lk(m);
+  tasks.push_back(std::move(task));
+  return res;
 }