fix: clippy lints (#11)

examples/basic.rs

@@ -162,7 +162,11 @@ impl Widget for &mut App {
  .block(Block::bordered().title("Content").on_black())
  .render(main, buf);
 
- "tui-menu".bold().blue().to_centered_line().render(top, buf);
+ "tui-menu"
+ .bold()
+ .blue()
+ .into_centered_line()
+ .render(top, buf);
 
  // draw menu last, so it renders on top of other content
  Menu::new().render(top, buf, &mut self.menu);

src/lib.rs

@@ -110,7 +110,7 @@ impl<T: Clone> MenuState<T> {
  .and_then(|child| child.highlight_child_index())
  {
  // case 1
- Some(idx) if idx == 0 => {
+ Some(0) => {
  self.pop();
  }
  _ => {
@@ -262,10 +262,8 @@ impl<T: Clone> MenuState<T> {
  if let Some(item) = self.root_item.highlight_mut() {
  if !item.children.is_empty() {
  self.push();
- } else {
- if let Some(ref data) = item.data {
- self.events.push(MenuEvent::Selected(data.clone()));
- }
+ } else if let Some(ref data) = item.data {
+ self.events.push(MenuEvent::Selected(data.clone()));
  }
  }
  }
@@ -361,7 +359,7 @@ impl<T> MenuItem<T> {
  /// highlight first child
  fn highlight_first_child(&mut self) -> Option<()> {
  if !self.children.is_empty() {
- if let Some(it) = self.children.iter_mut().nth(0) {
+ if let Some(it) = self.children.get_mut(0) {
  it.is_highlight = true;
  }
  Some(())
@@ -468,8 +466,7 @@ impl<T> MenuItem<T> {
  let mut last_but_one = self;
  while last_but_one
  .highlight_child_mut()
- .map(|x| x.highlight_child_mut())
- .flatten()
+ .and_then(|x| x.highlight_child_mut())
  .is_some()
  {
  last_but_one = last_but_one.highlight_child_mut().unwrap();
@@ -533,7 +530,7 @@ impl<T> Menu<T> {
  y: u16,
  group: &[MenuItem<T>],
  buf: &mut ratatui::buffer::Buffer,
- depth: usize,
+ _depth: usize,
  ) {
  let area = Rect::new(x, y, self.drop_down_width, group.len() as u16);
  Clear.render(area, buf);
@@ -544,7 +541,7 @@ impl<T> Menu<T> {
  let is_active = item.is_highlight;
 
  buf.set_span(
- x as u16,
+ x,
  item_y,
  &Span::styled(
  item.name(),
@@ -564,13 +561,19 @@ impl<T> Menu<T> {
  item_y,
  &item.children,
  buf,
- depth + 1,
+ _depth + 1,
  );
  }
  }
  }
 }
 
+impl<T> Default for Menu<T> {
+ fn default() -> Self {
+ Self::new()
+ }
+}
+
 impl<T> StatefulWidget for Menu<T> {
  type State = MenuState<T>;
 
@@ -594,7 +597,7 @@ impl<T> StatefulWidget for Menu<T> {
  spans.push(span);
 
  if has_children && is_highlight {
- self.render_drop_down(group_x_pos as u16, y_pos as u16 + 1, &item.children, buf, 1);
+ self.render_drop_down(group_x_pos as u16, y_pos + 1, &item.children, buf, 1);
  }
 
  if idx < state.root_item.children.len() - 1 {