Run clang-format

source/listing_6.4.cpp

@@ -1,56 +1,45 @@
 #include <memory>
 
-template<typename T>
-class queue
-{
+template <typename T>
+class queue {
 private:
-    struct node
-    {
-        T data;
-        std::unique_ptr<node> next;
+  struct node {
+    T data;
+    std::unique_ptr<node> next;
+
+    node(T data_) : data(std::move(data_)) {}
+  };
+
+  std::unique_ptr<node> head;
+  node* tail;
 
-        node(T data_):
-            data(std::move(data_))
-        {}
-    };
-    
-    std::unique_ptr<node> head;
-    node* tail;
-    
 public:
-    queue():
-        tail(nullptr)
-    {}
+  queue() : tail(nullptr) {}
 
-    queue(const queue& other)=delete;
-    queue& operator=(const queue& other)=delete;
+  queue(const queue& other) = delete;
+  queue& operator=(const queue& other) = delete;
 
-    std::shared_ptr<T> try_pop()
-    {
-        if(!head)
-        {
-            return std::shared_ptr<T>();
-        }
-        std::shared_ptr<T> const res(
-            std::make_shared<T>(std::move(head->data)));
-        std::unique_ptr<node> const old_head=std::move(head);
-        head=std::move(old_head->next);
-        return res;
+  std::shared_ptr<T> try_pop()
+  {
+    if (!head) {
+      return std::shared_ptr<T>();
     }
-    
-    void push(T new_value)
-    {
-        std::unique_ptr<node> p(new node(std::move(new_value)));
-        node* const new_tail=p.get();
-        if(tail)
-        {
-            tail->next=std::move(p);
-        }
-        else
-        {
-            head=std::move(p);
-        }
-        tail=new_tail;
+    std::shared_ptr<T> const res(std::make_shared<T>(std::move(head->data)));
+    std::unique_ptr<node> const old_head = std::move(head);
+    head                                 = std::move(old_head->next);
+    return res;
+  }
+
+  void push(T new_value)
+  {
+    std::unique_ptr<node> p(new node(std::move(new_value)));
+    node* const new_tail = p.get();
+    if (tail) {
+      tail->next = std::move(p);
     }
+    else {
+      head = std::move(p);
+    }
+    tail = new_tail;
+  }
 };
-