Run clang-format

source/listing_4.7.cpp

@@ -1,34 +1,30 @@
-#include <string>
 #include <future>
+#include <string>
 
-struct X
-{
-    void foo(int,std::string const&);
-    std::string bar(std::string const&);
+struct X {
+  void foo(int, std::string const&);
+  std::string bar(std::string const&);
 };
 
-
 X x;
-auto f1=std::async(&X::foo,&x,42,"hello");
-auto f2=std::async(&X::bar,x,"goodbye");
+auto f1 = std::async(&X::foo, &x, 42, "hello");
+auto f2 = std::async(&X::bar, x, "goodbye");
 
-struct Y
-{
-    double operator()(double);
+struct Y {
+  double operator()(double);
 };
 Y y;
-auto f3=std::async(Y(),3.141);
-auto f4=std::async(std::ref(y),2.718);
+auto f3 = std::async(Y(), 3.141);
+auto f4 = std::async(std::ref(y), 2.718);
 X baz(X&);
-auto f6=std::async(baz,std::ref(x));
-class move_only
-{
+auto f6 = std::async(baz, std::ref(x));
+class move_only {
 public:
-    move_only();
-    move_only(move_only&&);
-    move_only(move_only const&) = delete;
-    move_only& operator=(move_only&&);
-    move_only& operator=(move_only const&) = delete;
-    void operator()();
+  move_only();
+  move_only(move_only&&);
+  move_only(move_only const&) = delete;
+  move_only& operator         =(move_only&&);
+  move_only& operator=(move_only const&) = delete;
+  void operator()();
 };
-auto f5=std::async(move_only());
+auto f5 = std::async(move_only());