Tools.h++ Manual

104011 Tandem Computers Incorporated 19-5

class Tangle : public RWCollectable

{

public:

RWDECLARE_COLLECTABLE(Tangle)

Tangle* nextTangle;

int someData;

Tangle(Tangle* t = 0, int dat = 0) {nextTangle=t; someData=dat;}

virtual void saveGuts(RWFile&) const;

virtual void restoreGuts(RWFile&);

};

void Tangle::saveGuts(RWFile& file) const

{

RWCollectable::saveGuts(file); // Save the base class

file.Write(someData); // Save internals

file << nextTangle; // Save the next link

}

void Tangle::restoreGuts(RWFile& file)

{

RWCollectable::restoreGuts(file);// Restore the base class

file.Read(someData); // Restore internals

file >> nextTangle; // Restore the next link

}

// Checks the integrity of a null terminated list with head "p":

void checkList(Tangle* p)

{

int i=0;

while (p)

{

assert(p->someData==i);

p = p->nextTangle;

i++;