Implement Display for Position

src/structs.rs

@@ -1,7 +1,7 @@
 use chrono::prelude::*;
 use helpers::*;
 use serde::Deserialize;
-use std::time::Duration;
+use std::{fmt, time::Duration};
 
 /// All information about a track. This is returned by the `currentsong` or `queue` commands.
 #[derive(Deserialize, Clone, Debug, Default, PartialEq)]
@@ -57,6 +57,15 @@ pub struct Position {
   pub total_items:   Option<u16>,
 }
 
+impl fmt::Display for Position {
+  fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+    match self.total_items {
+      Some(n) => write!(f, "{}/{}", self.item_position, n),
+      None => write!(f, "{}", self.item_position),
+    }
+  }
+}
+
 /// Current status as returned by `status`.
 ///
 /// Regarding optional `volume`: