clippy + formatting for Rust 1.80

Author: sameer

lib/src/turtle/g_code.rs

@@ -90,7 +90,7 @@ impl<'input> Turtle for GCodeTurtle<'input> {
     fn move_to(&mut self, to: Point<f64>) {
         self.tool_off();
         self.program
-            .append(&mut command!(RapidPositioning { X: to.x, Y: to.y, }).into_token_vec());
+            .append(&mut command!(RapidPositioning { X: to.x, Y: to.y }).into_token_vec());
     }
 
     fn line_to(&mut self, to: Point<f64>) {

lib/src/turtle/mod.rs

@@ -97,7 +97,7 @@ impl<T: Turtle + std::fmt::Debug> Terrarium<T> {
         // which could result in a G91 G1 X0 Y0
         if !(self.current_position - self.initial_position)
             .abs()
-            .lower_than(vector(std::f64::EPSILON, std::f64::EPSILON))
+            .lower_than(vector(f64::EPSILON, f64::EPSILON))
             .all()
         {
             self.turtle.line_to(self.initial_position);

web/src/ui/mod.rs

@@ -20,25 +20,23 @@ macro_rules! css_class_enum {
             ),*
         }
 
-        impl ToString for $name {
-            fn to_string(&self) -> String {
+        impl std::fmt::Display for $name {
+            fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
                 let suffix = match self {
                     $(
                         Self::$variant => $class
                     ),*
                 };
-                if suffix.is_empty() {
-                    String::default()
-                } else {
-                    let mut acc = String::default();
+                if !suffix.is_empty() {
                     $(
-                        acc += $prefix;
-                        acc.push('-');
+                        write!(f, "{}-", $prefix)?;
                     )?
-                    acc += suffix;
-                    acc
+                    write!(f, "{suffix}")
+                } else {
+                    Ok(())
                 }
             }
+
         }
     };
 }