rust port

- draw board
- legal move checks

72_Queen/rust/src/util.rs

@@ -0,0 +1,34 @@
+pub fn is_move_legal(loc: u8, mov: u8) -> bool {
+    let dt: i32 = (mov - loc).into();
+
+    if dt.is_negative() {
+        return false;
+    }
+
+    if (dt % 21) == 0 || (dt % 10) == 0 || (dt % 11) == 0 {
+        return true;
+    }
+
+    false
+}
+
+pub fn is_legal_start(loc: u8) -> bool {
+    let mut legal_spots = Vec::new();
+    let start: u8 = 11;
+
+    legal_spots.push(start);
+
+    for i in 1..=7 {
+        legal_spots.push(start + (10 * i));
+    }
+
+    for i in 1..=7 {
+        legal_spots.push(start + (11 * i));
+    }
+
+    if legal_spots.contains(&loc) {
+        true
+    } else {
+        false
+    }
+}