fix examples

examples/count/main.cc

@@ -26,12 +26,12 @@ class Count : public Reactor {
 
   void print_count() {
     const auto& value = *(counter.get());
-    std::cout << "Count: " << value << std::endl;
+    std::cout << "Count: " << value << '\n';
     counter.schedule(value + 1, 1s);
   }
 
   void init() {
-    std::cout << "Hello World!" << std::endl;
+    std::cout << "Hello World!\n";
     counter.schedule(0, 1s);
   }
 };

examples/hello/main.cc

@@ -25,9 +25,9 @@ class Hello : public Reactor {
     r_terminate.declare_trigger(&sa);
   }
 
-  static void hello() { std::cout << "Hello World!" << std::endl; }
+  static void hello() { std::cout << "Hello World!\n"; }
 
-  static void terminate() { std::cout << "Good Bye!" << std::endl; }
+  static void terminate() { std::cout << "Good Bye!\n"; }
 };
 
 auto main() -> int {

examples/ports/main.cc

@@ -38,7 +38,7 @@ class Counter : public Reactor {
   Output<int> count{"count", this};     // NOLINT
 
   void assemble() override {
-    std::cout << "assemble Counter" << std::endl << std::flush;
+    std::cout << "assemble Counter\n";
     r_trigger.declare_trigger(&trigger);
     r_trigger.declare_antidependency(&count);
   }
@@ -60,11 +60,11 @@ class Printer : public Reactor {
       : Reactor(name, env) {}
 
   void assemble() override {
-    std::cout << "assemble Printer" << std::endl << std::flush;
+    std::cout << "assemble Printer\n";
     r_value.declare_trigger(&value);
   }
 
-  void on_value() { std::cout << this->name() << ": " << *value.get() << std::endl; }
+  void on_value() { std::cout << this->name() << ": " << *value.get() << '\n'; }
 };
 
 class Adder : public Reactor {
@@ -88,7 +88,7 @@ class Adder : public Reactor {
   void add() {
     if (i1.is_present() && i2.is_present()) {
       sum.set(*i1.get() + *i2.get());
-      std::cout << "setting sum" << std::endl;
+      std::cout << "setting sum\n";
     }
   }
 };
@@ -120,10 +120,10 @@ auto main() -> int {
   env.draw_connection(add.sum, p_add.forward, ConnectionProperties{ConnectionType::Delayed, 10s, nullptr});
   env.draw_connection(p_add.forward, p_add.value, ConnectionProperties{ConnectionType::Delayed, 5s, nullptr});
 
-  std::cout << "assemble" << std::endl << std::flush;
+  std::cout << "assemble\n";
   env.assemble();
 
-  std::cout << "optimize" << std::endl << std::flush;
+  std::cout << "optimize\n";
   auto thread = env.startup();
   thread.join();
 

examples/power_train/main.cc

@@ -44,7 +44,7 @@ class RightPedal : public Reactor {
   Reaction r1{"1", 1, this, [this]() { reaction_1(); }};
   Reaction r2{"2", 2, this, [this]() { reaction_2(); }};
 
-  void reaction_1() {};
+  void reaction_1() {}
   void reaction_2() {}
 
 public: