Clippy

src/main.rs

@@ -11,7 +11,7 @@ fn main() {
     let program = std::fs::read_to_string(args.get(1).unwrap()).unwrap();
 
     let mut machine = Machine::new(program);
-    if let Some(_) = args.get(2) {
+    if args.get(2).is_some() {
         loop {
             let mut input = String::new();
             std::io::stdin().read_line(&mut input).unwrap();
@@ -63,6 +63,8 @@ struct Machine {
     data: Vec<Cell>,
     instructions: Vec<Instruction>,
 }
+
+
 #[derive(Debug, Default, Clone, Copy, PartialEq)]
 struct Cell {
     value: u8,
@@ -170,7 +172,7 @@ impl Machine {
             .get(self.data_pointer)
             .unwrap_or(&Cell { value: 0 })
             .value;
-        let c: char = (value as u8).into();
+        let c: char = value.into();
         print!("{c}");
     }
 
@@ -178,7 +180,7 @@ impl Machine {
         let mut input = String::new();
         std::io::stdin().read_line(&mut input).unwrap();
 
-        let value = *input.into_bytes().first().unwrap() as u8;
+        let value = *input.into_bytes().first().unwrap();
 
         let cell = Cell { value };
 
@@ -229,7 +231,7 @@ impl Machine {
 
         let repetitions: usize = input.trim().parse().unwrap();
 
-        let mut bar = indicatif::ProgressBar::new(repetitions as u64);
+        let bar = indicatif::ProgressBar::new(repetitions as u64);
         bar.set_style(
             ProgressStyle::with_template(
                 "{bar:40} | {human_pos}/{human_len} | {eta_precise} | {elapsed_precise}",
@@ -363,9 +365,7 @@ fn locate_jmp_target_jiz(
     let mut data_pointer = index + 1;
     let mut searched_jinz = 1;
     let mut instruction_index = instruction_index;
-    if instruction_index != 0 {
-        instruction_index -= 1;
-    }
+    instruction_index = instruction_index.saturating_sub(1);
 
     while searched_jinz != 0 {
         if data_pointer == program_vector.len() {