move Debug impls next to structs

crates/tek_tui/src/tui_app_transport.rs

@@ -9,6 +9,16 @@ pub struct TransportTui {
     pub focus:  FocusState<TransportFocus>,
 }
 
+impl std::fmt::Debug for TransportTui {
+    fn fmt (&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
+        f.debug_struct("TransportTui")
+            .field("jack",   &self.jack)
+            .field("size",   &self.size)
+            .field("cursor", &self.cursor)
+            .finish()
+    }
+}
+
 /// Create app state from JACK handle.
 impl TryFrom<&Arc<RwLock<JackClient>>> for TransportTui {
     type Error = Box<dyn std::error::Error>;