tasklist opt string

src/work_async.rs

@@ -67,7 +67,7 @@ pub async fn work(conf: config::Config) -> Result<(), Box<dyn std::error::Error>
     for path in conf.output.into_iter()
     {
 	let url = url::parse(&rating);
-	let mut prog = prog_writer.clone();
+	let mut prog = prog_writer.clone_with(format!("-> {:?}", path));
 	children.push(tokio::task::spawn(async move {
 	    
 	    //println!("Starting download ({})...", url);

src/work_async/progress.rs

@@ -61,7 +61,7 @@ pub struct AsyncProgressCounter
 }
 
 #[derive(Clone)]
-pub struct CommandSender(Sender<Command>);
+pub struct CommandSender(Sender<Command>, Option<String>);
 
 pub struct CommandCallback(UnboundedReceiver<()>);
 
@@ -116,10 +116,34 @@ macro_rules! prog_send {
 
 impl CommandSender
 {
+    /// Clone with a new opt string
+    pub fn clone_with(&self, opt: impl Into<String>) -> Self
+    {
+	Self (
+	    self.0.clone(),
+	    Some(opt.into())
+	)
+    }
+    
+    fn opt_str(&self, string: impl AsRef<str>) -> String
+    {
+	if let Some(opt) = &self.1 {
+	    format!("[{}] {}", opt, string.as_ref())
+	} else {
+	    string.as_ref().into()
+	}
+    }
+
+    /// Get or set an opt string
+    pub fn opt(&mut self) -> &mut Option<String>
+    {
+	&mut self.1
+    }
+    
     /// Print a line
-    pub async fn println(&mut self, string: impl Into<String>) -> Result<CommandCallback, error::Error>
+    pub async fn println(&mut self, string: impl AsRef<str>) -> Result<CommandCallback, error::Error>
     {
-	let (com, call) = Command::new(CommandInternal::PrintLine(string.into()));
+	let (com, call) = Command::new(CommandInternal::PrintLine(self.opt_str(string)));
 	self.0.send(com).await?;
 	Ok(call)
     }
@@ -141,9 +165,9 @@ impl CommandSender
     }
 
     /// Finalise the progress counter and print a line
-    pub async fn kill_with(&mut self, string: String) -> Result<CommandCallback, error::Error>
+    pub async fn kill_with(&mut self, string: impl AsRef<str>) -> Result<CommandCallback, error::Error>
     {
-	let (com, call) = Command::new(CommandInternal::Kill(Some(string)));
+	let (com, call) = Command::new(CommandInternal::Kill(Some(self.opt_str(string))));
 	self.0.send(com).await?;
 	Ok(call)
     }
@@ -188,11 +212,16 @@ impl AsyncProgressCounter
 	    title: title.into(),
 	}
     }
-
+    
+    /// Create a new writer with an opt string
+    pub fn writer_with(&self, opt: impl Into<String>) -> CommandSender
+    {
+	CommandSender(self.writer.clone(), Some(opt.into()))
+    }
     /// Create a new writer
     pub fn writer(&self) -> CommandSender
     {
-	CommandSender(self.writer.clone())
+	CommandSender(self.writer.clone(), None)
     }
 
     /// Consume the instance and host it's receiver

src/work_async/tasklist.rs

@@ -65,7 +65,7 @@ impl TaskList
 
     pub fn recalc_buffer(&mut self)
     {
-	self.1 = self.0.iter().map(|(_, s)| s.as_str()).collect();
+	self.1 = self.0.iter().map(|(_, s)| s.as_str()).collect(); //TODO: Iterator extension join method for strings
     }
 
     pub fn as_str(&self) -> &str