fix(table): fix new clippy lint which triggers on table widths tests (#…

…630)

* fix(table): new clippy lint in 1.74.0 triggers on table widths tests

https://rust-lang.github.io/rust-clippy/master/index.html\#/needless_borrows_for_generic_args

* fix(clippy): fix beta lint for .get(0) -> .first()

https://rust-lang.github.io/rust-clippy/master/index.html\#/get_first

src/widgets/chart.rs

@@ -335,7 +335,12 @@ impl<'a> Chart<'a> {
             .map(|l| l.iter().map(Span::width).max().unwrap_or_default() as u16)
             .unwrap_or_default();
 
-        if let Some(first_x_label) = self.x_axis.labels.as_ref().and_then(|labels| labels.get(0)) {
+        if let Some(first_x_label) = self
+            .x_axis
+            .labels
+            .as_ref()
+            .and_then(|labels| labels.first())
+        {
             let first_label_width = first_x_label.content.width() as u16;
             let width_left_of_y_axis = match self.x_axis.labels_alignment {
                 Alignment::Left => {

src/widgets/table.rs

@@ -678,17 +678,25 @@ mod tests {
 
     #[test]
     fn widths_conversions() {
-        let table = Table::new(vec![]).widths([Constraint::Percentage(100)]);
+        let array = [Constraint::Percentage(100)];
+        let table = Table::new(vec![]).widths(array);
         assert_eq!(table.widths, vec![Constraint::Percentage(100)], "array");
 
-        #[allow(clippy::needless_borrow)] // for backwards compatibility with existing code
-        let table = Table::new(vec![]).widths(&[Constraint::Percentage(100)]);
+        let array_ref = &[Constraint::Percentage(100)];
+        let table = Table::new(vec![]).widths(array_ref);
+        assert_eq!(table.widths, vec![Constraint::Percentage(100)], "array ref");
+
+        let vec = vec![Constraint::Percentage(100)];
+        let slice = vec.as_slice();
+        let table = Table::new(vec![]).widths(slice);
         assert_eq!(table.widths, vec![Constraint::Percentage(100)], "slice");
 
-        let table = Table::new(vec![]).widths(vec![Constraint::Percentage(100)]);
+        let vec = vec![Constraint::Percentage(100)];
+        let table = Table::new(vec![]).widths(vec);
         assert_eq!(table.widths, vec![Constraint::Percentage(100)], "vec");
 
-        let table = Table::new(vec![]).widths(&vec![Constraint::Percentage(100)]);
+        let vec_ref = &vec![Constraint::Percentage(100)];
+        let table = Table::new(vec![]).widths(vec_ref);
         assert_eq!(table.widths, vec![Constraint::Percentage(100)], "vec ref");
     }