updated observer

tsung-wei-huang · tsung-wei-huang · commit 15797538316e · 2019-07-31T11:28:12.000-05:00
diff --git a/taskflow/core/observer.hpp b/taskflow/core/observer.hpp
@@ -161,7 +161,7 @@ inline void ExecutorObserver::on_entry(unsigned w, TaskView tv) {
 
 // Procedure: on_exit
 inline void ExecutorObserver::on_exit(unsigned w, TaskView tv) {
-  static_cast<void>(tv);
+  static_cast<void>(tv);  // avoid warning from compiler
   assert(_timeline.executions[w].size() > 0);
   _timeline.executions[w].back().end = std::chrono::steady_clock::now();
 }

Original file line number	Diff line number	Diff line change
`@@ -161,7 +161,7 @@ inline void ExecutorObserver::on_entry(unsigned w, TaskView tv) {`
`161`	`161`
`162`	`162`	`// Procedure: on_exit`
`163`	`163`	`inline void ExecutorObserver::on_exit(unsigned w, TaskView tv) {`
`164`		`- static_cast<void>(tv);`
	`164`	`+ static_cast<void>(tv); // avoid warning from compiler`
`165`	`165`	`assert(_timeline.executions[w].size() > 0);`
`166`	`166`	`_timeline.executions[w].back().end = std::chrono::steady_clock::now();`
`167`	`167`	`}`