Run clang-format

source/listing_7.3.cpp

@@ -1,31 +1,29 @@
 #include <atomic>
 #include <memory>
 
-template<typename T>
-class lock_free_stack
-{
+template <typename T>
+class lock_free_stack {
 private:
-    struct node
-    {
-        std::shared_ptr<T> data;
-        node* next;
-        node(T const& data_):
-            data(std::make_shared<T>(data_))
-        {}
-    };
-    std::atomic<node*> head;
+  struct node {
+    std::shared_ptr<T> data;
+    node* next;
+    node(T const& data_) : data(std::make_shared<T>(data_)) {}
+  };
+  std::atomic<node*> head;
+
 public:
-    void push(T const& data)
-    {
-        node* const new_node=new node(data);
-        new_node->next=head.load();
-        while(!head.compare_exchange_weak(new_node->next,new_node));
-    }
-    std::shared_ptr<T> pop()
-    {
-        node* old_head=head.load();
-        while(old_head &&
-              !head.compare_exchange_weak(old_head,old_head->next));
-        return old_head ? old_head->data : std::shared_ptr<T>();
-    }
+  void push(T const& data)
+  {
+    node* const new_node = new node(data);
+    new_node->next       = head.load();
+    while (!head.compare_exchange_weak(new_node->next, new_node))
+      ;
+  }
+  std::shared_ptr<T> pop()
+  {
+    node* old_head = head.load();
+    while (old_head && !head.compare_exchange_weak(old_head, old_head->next))
+      ;
+    return old_head ? old_head->data : std::shared_ptr<T>();
+  }
 };