👕 refactor

src/main.rs

@@ -1,5 +1,6 @@
 use std::{
     fmt,
+    marker::Send,
     sync::mpsc,
     thread,
     time::Duration,
@@ -26,6 +27,19 @@ struct ThreadSystem <'a>
     send: mpsc::SyncSender <TaskOutput>,
 }
 
+impl <'a> ThreadSystem <'a>
+{
+    fn dispatch <F: FnOnce () -> TaskOutput + Send + 'static> (&self, work: F)
+    {
+        let send = self.send.clone ();
+        self.pool.spawn (move ||
+        {
+            let output = work ();
+            send.send (output).ok ();
+        });
+    }
+}
+
 struct Driver <'a>
 {
     thread_sys: ThreadSystem <'a>,
@@ -124,6 +138,7 @@ impl <'a> Driver <'_>
         let dur_encode = Duration::from_millis (20);
         let dur_transmit = Duration::from_millis (200);
         
+        let thread_sys = &self.thread_sys;
         let pool = &self.thread_sys.pool;
         let send = self.thread_sys.send.clone ();
         
@@ -131,15 +146,14 @@ impl <'a> Driver <'_>
         {
             TxPipelineEvent::Capture => {
                 let cap = self.capture.start (())?;
-                
-                pool.spawn (move || 
+                thread_sys.dispatch (move ||
                 {
                     thread::sleep (dur_capture);
                     let buf_raw = BufRaw
                     {
                         buf: vec![],
                     };
-                    send.send (TaskOutput::TxCapture ((cap, buf_raw))).unwrap ();
+                    TaskOutput::TxCapture ((cap, buf_raw))
                 });
             },
             TxPipelineEvent::PollEncoder =>
@@ -161,20 +175,19 @@ impl <'a> Driver <'_>
             TxPipelineEvent::Encode (buf_raw) => 
             {
                 let mut encoder = self.encoder.start (EncoderTaskMetadata {})?;
-                
-                pool.spawn (move || 
+                thread_sys.dispatch (move ||
                 {
                     thread::sleep (dur_encode);
                     encoder.try_handle_insert_data (&buf_raw.buf).unwrap ();
-                    send.send (TaskOutput::TxEncode (encoder)).unwrap ();
+                    TaskOutput::TxEncode (encoder)
                 });
             },
             TxPipelineEvent::Transmit (_buf_enc) => {
                 let tx = self.transmitter.start (())?;
-                pool.spawn (move ||
+                thread_sys.dispatch (move ||
                 {
                     thread::sleep (dur_transmit);
-                    send.send (TaskOutput::TxTransmit ((tx, false))).unwrap ();
+                    TaskOutput::TxTransmit ((tx, false))
                 });
             },
         }