checkRowCompletion method
Implementation
bool checkRowCompletion(int row) {
var complete = true;
var currentTiles = currentState.board;
var finalTiles = finalState.board;
for (var i = 0; i < currentTiles.length; i++) {
if (currentTiles[row][i] != finalTiles[row][i]) {
complete = false;
break;
}
}
return complete;
}