#include <cassert>
#include <cstddef> // For offsetof()
+#include <string>
#include "bitboard.h"
#include "types.h"
Value non_pawn_material(Color c) const;
// Position consistency check, for debugging
- bool pos_is_ok(int* step = NULL) const;
+ bool pos_is_ok(int* step = nullptr) const;
void flip();
private: