Run clang-format

source/listing_4.6.cpp

@@ -1,16 +1,20 @@
 #include <future>
 #include <iostream>
-int find_the_answer_to_ltuae()
+int
+find_the_answer_to_ltuae()
 {
-    return 42;
+  return 42;
 }
 
-void do_other_stuff()
-{}
-
-int main()
+void
+do_other_stuff()
 {
-    std::future<int> the_answer=std::async(find_the_answer_to_ltuae);
-    do_other_stuff();
-    std::cout<<"The answer is "<<the_answer.get()<<std::endl;
+}
+
+int
+main()
+{
+  std::future<int> the_answer = std::async(find_the_answer_to_ltuae);
+  do_other_stuff();
+  std::cout << "The answer is " << the_answer.get() << std::endl;
 }