impl Debug for Mat

mino/src/matrix.rs

@@ -36,11 +36,13 @@ impl Mat {
 
     pub const EMPTY: &'static Self = Self::new(&[]);
 
+    #[inline]
     const fn data(&self) -> &[u16] {
-        unsafe { core::mem::transmute(self) }
+        &self.0
     }
 
     /// Returns the number of columns in the matrix. This always returns `COLUMNS`.
+    #[inline]
     pub const fn cols(&self) -> i16 {
         COLUMNS
     }
@@ -73,6 +75,23 @@ impl Mat {
     }
 }
 
+impl core::fmt::Debug for Mat {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        write!(f, "mat!{{")?;
+        let mut sep = "";
+        for y in (0..self.rows()).rev() {
+            write!(f, "{sep}\"")?;
+            for x in 0..self.cols() {
+                let occ = self.get(x, y);
+                f.write_str(if occ { "x" } else { "." })?;
+            }
+            write!(f, "\"")?;
+            sep = ";";
+        }
+        write!(f, "}}")
+    }
+}
+
 #[cfg(any(feature = "ascii", test))]
 #[doc(hidden)]
 pub mod __ascii {