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src/complexagent.rs

@@ -17,9 +17,9 @@ impl Agent for ComplexAgent {
                     .collect::<Vec<(usize, usize)>>()
             })
             .map(|(i, j)| (i, j, board.move_would_propegate(i, j, self.color)))
-            .filter(|&(_, _, c)| c >= 0)
+            .filter(|&(_, _, c)| c >= 0) // a `c` value of less than 0 implies the move is invalid: TODO! make this an enum or smth
             .max_by_key(|&(_, _, c)| c)
-            .map(|(i, j, _)| (i, j))
+            .map(|(i, j, _)| (i, j)) // remove `c` and return the best move
     }
 
     fn name(&self) -> &'static str {