#include "GameBoard.h" class ChessPiece : public GamePiece {}; void processGameBoard(const GameBoard board) { const GamePiece& pawn = board.getPieceAt(0, 0); // Doesn't compile //board.setPieceAt(1, 2, pawn); } int main(int argc, char** argv) { GameBoard chessBoard(10, 10); ChessPiece pawn; chessBoard.setPieceAt(0, 0, pawn); chessBoard.setPieceAt(0, 1, chessBoard.getPieceAt(0, 0)); GameBoard board2; board2 = chessBoard; processGameBoard(board2); return (0); }