diff --git a/src/core/executable.rs b/src/core/executable.rs
index eaa6dc0..4750fe4 100644
--- a/src/core/executable.rs
+++ b/src/core/executable.rs
@@ -8,16 +8,16 @@ pub enum ExecutionType {
     OneShot,
 }
 
-pub trait Executable {
+pub trait Executable: Send {
     type Error;
-    const EXEC_TYPE: ExecutionType;
-    const TASK_NAME: &'static str;
+    //const EXEC_TYPE: ExecutionType;
+    //const TASK_NAME: &'static str;
+
+    fn exec_type(&self) -> ExecutionType;// {
+    //    return Self::EXEC_TYPE;
+    //}
+    fn task_name(&self) -> &'static str;//{
+    //    return Self::TASK_NAME;
+    //}
     fn periodic_op(&mut self, op_code: i32) -> Result<OpResult, Self::Error>;
 }
-
-trait ExecutableWithAssociatedFuncs {
-    type Error;
-    fn exec_type(&self) -> ExecutionType;
-    fn task_name(&self) -> &'static str;
-    fn periodic_op(&mut self) -> Result<OpResult, Self::Error>;
-}
diff --git a/src/main.rs b/src/main.rs
index 234c095..8be3696 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -36,8 +36,14 @@ impl Error for ExampleError {
 
 impl Executable for OneShotTask {
     type Error = ExampleError;
-    const EXEC_TYPE: ExecutionType = ExecutionType::OneShot;
-    const TASK_NAME: &'static str = "One Shot Test Task";
+
+    fn exec_type(&self) -> ExecutionType {
+        ExecutionType::OneShot
+    }
+
+    fn task_name(&self) -> &'static str {
+        "One Shot Task"
+    }
 
     fn periodic_op(&mut self, op_code: i32) -> Result<OpResult, ExampleError> {
         if op_code >= 0 {
@@ -52,8 +58,14 @@ impl Executable for OneShotTask {
 
 impl Executable for FixedCyclesTask {
     type Error = ExampleError;
-    const EXEC_TYPE: ExecutionType = ExecutionType::Cycles(5);
-    const TASK_NAME: &'static str = "Fixed Cycles Task";
+
+    fn exec_type(&self) -> ExecutionType {
+        ExecutionType::Cycles(5)
+    }
+
+    fn task_name(&self) -> &'static str {
+        "Fixed Cycles Task"
+    }
 
     fn periodic_op(&mut self, op_code: i32) -> Result<OpResult, ExampleError> {
         if op_code >= 0 {
@@ -68,8 +80,14 @@ impl Executable for FixedCyclesTask {
 
 impl Executable for PeriodicTask {
     type Error = ExampleError;
-    const EXEC_TYPE: ExecutionType = ExecutionType::Cycles(5);
-    const TASK_NAME: &'static str = "Fixed Cycles Task";
+
+    fn exec_type(&self) -> ExecutionType {
+        ExecutionType::Infinite
+    }
+
+    fn task_name(&self) -> &'static str {
+        "Periodic Task"
+    }
 
     fn periodic_op(&mut self, op_code: i32) -> Result<OpResult, ExampleError> {
         if op_code >= 0 {
@@ -82,15 +100,14 @@ impl Executable for PeriodicTask {
     }
 }
 
-fn main() {
+fn test0() {
     let exec_task = OneShotTask {};
-    let mut task_vec = Vec::new();
-    task_vec.push(exec_task);
+    let task_vec = vec![Box::new(exec_task)];
     let jhandle = test_thread(task_vec, Some(Duration::from_millis(500)), 0);
     let exec_task2 = FixedCyclesTask {};
-    let mut task_vec2 = Vec::new();
-    task_vec2.push(exec_task2);
+    let task_vec2 = vec![Box::new(exec_task2)];
     let jhandle2 = test_thread(task_vec2, Some(Duration::from_millis(1000)), 1);
+
     jhandle
         .join()
         .expect("Joining thread failed")
@@ -100,9 +117,22 @@ fn main() {
         .expect("Joining thread 2 failed")
         .expect("Task 2 failed");
 }
+fn main() {
 
-fn test_thread<T: Executable<Error = E> + Send + 'static, E: Error + Send + 'static>(
-    mut executable_vec: Vec<T>,
+
+    thread::sleep(Duration::from_millis(1000));
+    let one_shot_in_vec = OneShotTask {};
+    let cycles_in_vec = FixedCyclesTask {};
+    let test_vec: Vec<Box<dyn Executable<Error=ExampleError>>> = vec![Box::new(one_shot_in_vec), Box::new(cycles_in_vec)];
+    let jhandle3 = test_thread(test_vec, Some(Duration::from_millis(500)), 3);
+    jhandle3
+        .join()
+        .expect("Joining thread 3 failed")
+        .expect("Task 3 failed");
+}
+
+fn test_thread<T: Executable<Error = E> + Send + 'static + ?Sized, E: Error + Send + 'static>(
+    mut executable_vec: Vec<Box<T>>,
     task_freq: Option<Duration>,
     op_code: i32,
 ) -> JoinHandle<Result<OpResult, E>> {
@@ -110,7 +140,7 @@ fn test_thread<T: Executable<Error = E> + Send + 'static, E: Error + Send + 'sta
     let mut removal_flags = vec![false; executable_vec.len()];
     thread::spawn(move || loop {
         for (idx, executable) in executable_vec.iter_mut().enumerate() {
-            match T::EXEC_TYPE {
+            match executable.exec_type() {
                 ExecutionType::OneShot => {
                     executable.periodic_op(op_code)?;
                     removal_flags[idx] = true;
@@ -128,12 +158,12 @@ fn test_thread<T: Executable<Error = E> + Send + 'static, E: Error + Send + 'sta
             }
         }
         executable_vec.retain(|_| !*removal_flags.iter().next().unwrap());
-        removal_flags.retain(|&i| i == false);
+        removal_flags.retain(|&i| !i);
         if executable_vec.is_empty() {
             return Ok(OpResult::Ok);
         }
         let freq = task_freq
-            .unwrap_or_else(|| panic!("No task frequency specified for task {}", T::TASK_NAME));
+            .unwrap_or_else(|| panic!("No task frequency specified"));
         thread::sleep(freq);
     })
 }