@@ -106,7 +106,7 @@ int main(){
   B.precede(D);  // B runs before D                  //    |     +---+     |    
   C.precede(D);  // C runs before D                  //    +---->| C |-----+    
                                                      //          +---+          
-  executor.run(taskflow);
+  executor.run(taskflow).get();
 
   return 0;
 }
 
@@ -1,29 +1,38 @@
+// This program demonstrates how to use cpp-taskflow to
+// write loop-based parallelism.
+
 #include <taskflow/taskflow.hpp>
 #include <cassert>
 #include <numeric>
 
 // Procedure: parallel_for_on_range
 void parallel_for_on_range(int N) {
 
+  tf::Executor executor;
+  tf::Taskflow taskflow;
+
   std::vector<int> range(N);
   std::iota(range.begin(), range.end(), 0);
 
-  tf::Taskflow tf;
-  tf.parallel_for(range.begin(), range.end(), [&] (const int i) { 
+  taskflow.parallel_for(range.begin(), range.end(), [&] (const int i) { 
     printf("parallel_for on container item: %d\n", i);
   });
-  tf::Executor().run(tf);
+
+  executor.run(taskflow).get();
 }
 
 // Procedure: parallel_for_on_index
 void parallel_for_on_index(int N) {
-  tf::Taskflow tf;
+  
+  tf::Executor executor;
+  tf::Taskflow taskflow;
 
   // [0, N) with step size 1
-  tf.parallel_for(0, N, 1, [] (int i) {
+  taskflow.parallel_for(0, N, 1, [] (int i) {
     printf("parallel_for on index: %d\n", i);
   });
-  tf::Executor().run(tf);
+
+  executor.run(taskflow).get();
 }
 
 // ----------------------------------------------------------------------------
 
@@ -1,11 +1,5 @@
-// 2019/05/14 - modified by Tsung-Wei Huang
-//  - isolated executor from taskflow
-//
-// 2019/02/15 - modified by Tsung-Wei Huang
-//  - refactored the code  
-//
-// 2019/01/17 - created by Chun-Xun
-//  - added example of using the Framework
+// This example demonstrates how to use different methods to
+// run a taskflow object.
 
 #include <taskflow/taskflow.hpp>  
 
 
@@ -6,7 +6,8 @@
 #include <taskflow/taskflow.hpp>  // the only include you need
 
 int main(){
-
+  
+  tf::Executor executor;
   tf::Taskflow taskflow;
 
   auto [A, B, C, D] = taskflow.emplace( 
@@ -21,7 +22,7 @@ int main(){
   B.precede(D);  // D runs after B         //    +---->| C |-----+            
   C.precede(D);  // D runs after C         //          +---+
 
-  tf::Executor().run(taskflow);  // create an executor to run the taskflow
+  executor.run(taskflow).get();
 
   return 0;
 }
Original file line number	Diff line number	Diff line change
@@ -106,7 +106,7 @@ int main(){
106	106	B.precede(D); // B runs before D // \| +---+ \|
107	107	C.precede(D); // C runs before D // +---->\| C \|-----+
108	108	// +---+
109		- executor.run(taskflow);
	109	+ executor.run(taskflow).get();
110	110
111	111	return 0;
112	112	}