feat: implement debug trait for land

src/bin/ponderosa-cpu.rs

@@ -66,13 +66,7 @@ fn parse_rom(path: &String) -> io::Result<(state::Land, Vec<state::Rule>, HashMa
     }
 
     println!("World\n=====");
-
+    dbg!(&land);
-    for y in (0..land.height).rev() {
-        for x in 0..land.width {
-            print!("{}\t", land.map.get(&(x, y)).unwrap_or(&0u16));
-        }
-        println!();
-    }
 
     rom_words.pop_front().unwrap(); // null-word delimiter
 
@@ -227,13 +221,7 @@ fn main() -> io::Result<()> {
     }
 
     println!("Resulting World\n=====");
-
+    dbg!(land);
-    for y in (0..land.height).rev() {
-        for x in 0..land.width {
-            print!("{}\t", land.map.get(&(x, y)).unwrap_or(&0u16));
-        }
-        println!();
-    }
 
     Ok(())
 }

src/state.rs

@@ -92,6 +92,21 @@ impl Land {
     }
 }
 
+impl std::fmt::Debug for Land {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        let mut built_string = "\n".to_owned();
+
+        for y in (0..self.height).rev() {
+            for x in 0..self.width {
+                built_string.push_str(&format!("{}\t", self.map.get(&(x, y)).unwrap_or(&0u16)));
+            }
+            built_string.push_str("\n");
+        }
+
+        write!(f, "{}", built_string)
+    }
+}
+
 pub type Rule = VecDeque<u16>;
 
 pub struct Tree {