refactor: migrate to Rust 2024 edition (#1678)

* refactor: try bumping to rust 2024 edition

* clippy

Cargo.toml

@@ -38,9 +38,9 @@ exclude = [
     "profile.json.gz",
     "rustfmt.toml",
 ]
-edition = "2021"
+edition = "2024"
 # The oldest version I've tested that should still build - note this is not an official MSRV!
-rust-version = "1.81"
+rust-version = "1.85"
 
 [lib]
 test = true

src/canvas/components/time_graph/base.rs

@@ -196,13 +196,11 @@ fn create_dataset(data: GraphData<'_>) -> Dataset<'_> {
         .data(time, values)
         .graph_type(GraphType::Line);
 
-    let dataset = if let Some(name) = name {
+    if let Some(name) = name {
         dataset.name(name)
     } else {
         dataset
-    };
-
-    dataset
+    }
 }
 
 #[cfg(test)]

src/canvas/widgets/network_graph.rs

@@ -288,8 +288,7 @@ impl Painter {
         f.render_widget(
             Table::new(
                 total_network,
-                &((std::iter::repeat(draw_loc.width.saturating_sub(2) / 4))
-                    .take(4)
+                &((std::iter::repeat_n(draw_loc.width.saturating_sub(2) / 4, 4))
                     .map(Constraint::Length)
                     .collect::<Vec<_>>()),
             )

src/options.rs

@@ -756,13 +756,11 @@ fn get_default_cpu_selection(args: &BottomArgs, config: &Config) -> config::cpu:
 }
 
 fn get_dedicated_avg_row(config: &Config) -> bool {
-    let conf = config
+    config
         .flags
         .as_ref()
         .and_then(|flags| flags.average_cpu_row)
-        .unwrap_or(false);
-
-    conf
+        .unwrap_or(false)
 }
 
 #[inline]