impl fmt::Debug for Turtle

src/main.rs

@@ -5,6 +5,7 @@ use turtle::{defaults, Turtle};
 #[allow(dead_code)]
 fn polygon(corners_number: u32, steps_count: u32, output_path: &'static str) {
     let mut turtle = Turtle::new();
+
     let default_pos = defaults::position();
 
     let side_length = turtle.step_length() * steps_count;

src/turtle.rs

@@ -3,6 +3,7 @@
 use imageproc::{drawing};
 use imageproc::image::{ImageBuffer, ImageResult, Rgb};
 use std::path::Path;
+use std::fmt;
 
 type ImgBufU8 = ImageBuffer<Rgb<u8>, Vec<u8>>;
 type Colour = Rgb<u8>;
@@ -50,6 +51,17 @@ pub struct Turtle {
     angle: f64,
 }
 
+impl fmt::Debug for Turtle {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("Turtle")
+            .field("colour", &self.colour)
+            .field("pos", &self.pos)
+            .field("step_length", &self.step_length)
+            .field("angle", &self.angle)
+            .finish()
+    }
+}
+
 impl Turtle {
     pub fn new() -> Self {
         let mut buf = ImageBuffer::new(defaults::WIDTH, defaults::HEIGHT);