ShowsView/Stack: Add some assertions.

hammond-gtk/src/stacks/content.rs

@@ -22,7 +22,7 @@ impl Content {
     pub fn new(sender: &Sender<Action>) -> Result<Rc<Content>, Error> {
         let stack = gtk::Stack::new();
         let home = Rc::new(RefCell::new(HomeStack::new(sender.clone())?));
-        let shows = Rc::new(RefCell::new(ShowStack::new(sender.clone())?));
+        let shows = Rc::new(RefCell::new(ShowStack::new(sender.clone())));
 
         stack.add_titled(&home.borrow().get_stack(), "home", "New");
         stack.add_titled(&shows.borrow().get_stack(), "shows", "Shows");

hammond-gtk/src/stacks/populated.rs

@@ -31,10 +31,10 @@ pub struct PopulatedStack {
 }
 
 impl PopulatedStack {
-    pub fn new(sender: Sender<Action>) -> Result<PopulatedStack, Error> {
+    pub fn new(sender: Sender<Action>) -> PopulatedStack {
         let stack = gtk::Stack::new();
         let state = PopulatedState::View;
-        let populated = ShowsView::new(sender.clone())?;
+        let populated = ShowsView::new(sender.clone());
         let show = Rc::new(ShowWidget::default());
         let container = gtk::Box::new(gtk::Orientation::Horizontal, 0);
 
@@ -43,16 +43,14 @@ impl PopulatedStack {
         container.add(&stack);
         container.show_all();
 
-        let show = PopulatedStack {
+        PopulatedStack {
             container,
             stack,
             populated,
             show,
             state,
             sender,
-        };
-
-        Ok(show)
+        }
     }
 
     pub fn update(&mut self) {
@@ -80,7 +78,7 @@ impl PopulatedStack {
             .map_err(|err| error!("Failed to set episodes_view allignment: {}", err))
             .ok();
 
-        let pop = ShowsView::new(self.sender.clone())?;
+        let pop = ShowsView::new(self.sender.clone());
         self.populated = pop;
         self.stack.remove(old);
         self.stack.add_named(&self.populated.container, "shows");

hammond-gtk/src/stacks/show.rs

@@ -29,8 +29,8 @@ pub struct ShowStack {
 }
 
 impl ShowStack {
-    pub fn new(sender: Sender<Action>) -> Result<Self, Error> {
-        let populated = Rc::new(RefCell::new(PopulatedStack::new(sender.clone())?));
+    pub fn new(sender: Sender<Action>) -> Self {
+        let populated = Rc::new(RefCell::new(PopulatedStack::new(sender.clone())));
         let empty = EmptyView::new();
         let stack = gtk::Stack::new();
         let state = ShowState::Empty;
@@ -46,8 +46,9 @@ impl ShowStack {
             sender,
         };
 
-        show.determine_state()?;
-        Ok(show)
+        let res = show.determine_state();
+        debug_assert!(res.is_ok());
+        show
     }
 
     pub fn get_stack(&self) -> gtk::Stack {

hammond-gtk/src/widgets/shows_view.rs

@@ -43,24 +43,23 @@ impl Default for ShowsView {
 }
 
 impl ShowsView {
-    pub fn new(sender: Sender<Action>) -> Result<Rc<Self>, Error> {
+    pub fn new(sender: Sender<Action>) -> Rc<Self> {
         let pop = Rc::new(ShowsView::default());
         pop.init(sender);
         // Populate the flowbox with the Shows.
-        populate_flowbox(&pop)?;
-        Ok(pop)
+        let res = populate_flowbox(&pop);
+        debug_assert!(res.is_ok());
+        pop
     }
 
     pub fn init(&self, sender: Sender<Action>) {
         self.flowbox.connect_child_activated(move |_, child| {
-            on_child_activate(child, &sender)
-                .map_err(|err| error!("Error along flowbox child activation: {}", err))
-                .ok();
+            let res = on_child_activate(child, &sender);
+            debug_assert!(res.is_ok());
         });
     }
 
     /// Set scrolled window vertical adjustment.
-    #[allow(unused)]
     fn set_vadjustment(&self) -> Result<(), Error> {
         let guard = SHOWS_VIEW_VALIGNMENT
             .lock()