chore: fix new lints (#1922)

examples/apps/gauge/src/main.rs

@@ -185,7 +185,7 @@ impl App {
     }
 }
 
-fn title_block(title: &str) -> Block {
+fn title_block(title: &str) -> Block<'_> {
     let title = Line::from(title).centered();
     Block::new()
         .borders(Borders::NONE)

examples/apps/weather/src/main.rs

@@ -69,7 +69,7 @@ impl App {
 }
 
 /// Create a vertical bar chart from the temperatures data.
-fn vertical_barchart(temperatures: &[u8]) -> BarChart {
+fn vertical_barchart(temperatures: &[u8]) -> BarChart<'_> {
     let bars: Vec<Bar> = temperatures
         .iter()
         .enumerate()
@@ -80,7 +80,7 @@ fn vertical_barchart(temperatures: &[u8]) -> BarChart {
         .bar_width(5)
 }
 
-fn vertical_bar(hour: usize, temperature: &u8) -> Bar {
+fn vertical_bar(hour: usize, temperature: &u8) -> Bar<'_> {
     Bar::default()
         .value(u64::from(*temperature))
         .label(Line::from(format!("{hour:>02}:00")))

ratatui-core/src/buffer/buffer.rs

@@ -1237,7 +1237,7 @@ mod tests {
     }
 
     /// Emojis normally contain various characters which should stay part of the Emoji.
-    /// This should work fine by utilizing unicode_segmentation but a testcase is probably helpful
+    /// This should work fine by utilizing `unicode_segmentation` but a testcase is probably helpful
     /// due to the nature of never perfect Unicode implementations and all of its quirks.
     #[rstest]
     // Shrug without gender or skintone. Has a width of 2 like all emojis have.

ratatui-core/src/terminal/terminal.rs

@@ -166,7 +166,7 @@ where
     }
 
     /// Get a Frame object which provides a consistent view into the terminal state for rendering.
-    pub const fn get_frame(&mut self) -> Frame {
+    pub const fn get_frame(&mut self) -> Frame<'_> {
         let count = self.frame_count;
         Frame {
             cursor_position: None,
@@ -299,7 +299,7 @@ where
     /// }
     /// # std::io::Result::Ok(())
     /// ```
-    pub fn draw<F>(&mut self, render_callback: F) -> Result<CompletedFrame, B::Error>
+    pub fn draw<F>(&mut self, render_callback: F) -> Result<CompletedFrame<'_>, B::Error>
     where
         F: FnOnce(&mut Frame),
     {
@@ -374,7 +374,7 @@ where
     /// }
     /// # io::Result::Ok(())
     /// ```
-    pub fn try_draw<F, E>(&mut self, render_callback: F) -> Result<CompletedFrame, B::Error>
+    pub fn try_draw<F, E>(&mut self, render_callback: F) -> Result<CompletedFrame<'_>, B::Error>
     where
         F: FnOnce(&mut Frame) -> Result<(), E>,
         E: Into<B::Error>,

ratatui-core/src/text/line.rs

@@ -534,12 +534,12 @@ impl<'a> Line<'a> {
     }
 
     /// Returns an iterator over the spans of this line.
-    pub fn iter(&self) -> core::slice::Iter<Span<'a>> {
+    pub fn iter(&self) -> core::slice::Iter<'_, Span<'a>> {
         self.spans.iter()
     }
 
     /// Returns a mutable iterator over the spans of this line.
-    pub fn iter_mut(&mut self) -> core::slice::IterMut<Span<'a>> {
+    pub fn iter_mut(&mut self) -> core::slice::IterMut<'_, Span<'a>> {
         self.spans.iter_mut()
     }
 

ratatui-core/src/text/text.rs

@@ -507,12 +507,12 @@ impl<'a> Text<'a> {
     }
 
     /// Returns an iterator over the lines of the text.
-    pub fn iter(&self) -> core::slice::Iter<Line<'a>> {
+    pub fn iter(&self) -> core::slice::Iter<'_, Line<'a>> {
         self.lines.iter()
     }
 
     /// Returns an iterator that allows modifying each line.
-    pub fn iter_mut(&mut self) -> core::slice::IterMut<Line<'a>> {
+    pub fn iter_mut(&mut self) -> core::slice::IterMut<'_, Line<'a>> {
         self.lines.iter_mut()
     }
 
@@ -699,7 +699,7 @@ pub trait ToText {
 /// error. This indicates an incorrect `Display` implementation since `fmt::Write for String` never
 /// returns an error itself.
 impl<T: fmt::Display> ToText for T {
-    fn to_text(&self) -> Text {
+    fn to_text(&self) -> Text<'_> {
         Text::raw(self.to_string())
     }
 }

ratatui-widgets/src/block.rs

@@ -879,7 +879,7 @@ impl Block<'_> {
         &self,
         position: Position,
         alignment: Alignment,
-    ) -> impl DoubleEndedIterator<Item = &Line> {
+    ) -> impl DoubleEndedIterator<Item = &Line<'_>> {
         self.titles
             .iter()
             .filter(move |(pos, _)| pos.unwrap_or(self.titles_position) == position)

ratatui-widgets/src/calendar.rs

@@ -113,7 +113,7 @@ impl<'a, DS: DateStyler> Monthly<'a, DS> {
     }
 
     /// All logic to style a date goes here.
-    fn format_date(&self, date: Date) -> Span {
+    fn format_date(&self, date: Date) -> Span<'_> {
         if date.month() == self.display_date.month() {
             Span::styled(
                 format!("{:2?}", date.day()),