How do I build an Integer List of Lists with QList?

[danielperaza]

Hi guys. I need a simple Boundary Representation class (a really simple one), which will hold a list of QVector3D's representing vertices (say list A), and a list of integer lists (say list B), which will represent the indexes in A that holds the right vertices to use. List B is just a simple representation of a volume's faces, each one being a list of vertices contained into a larger and ordered list of faces.

I'm doing this in my class:

class Brep : public QObject
{
    Q_OBJECT
public:
    typedef QList<QVector3D> VertexList;
 
    typedef QList<int> IndexList;

class Brep : public QObject
{
    Q_OBJECT
public:
    typedef QList<QVector3D> VertexList;

    typedef QList<int> IndexList;

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Later on:

private:
    Brep::VertexList vert;
 
    QList<Brep::IndexList> idx;
};

private:
    Brep::VertexList vert;

    QList<Brep::IndexList> idx;
};

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In the implementation file:

void Brep::addFace(const Brep::VertexList &vertices, const Brep::IndexList indices)
{

void Brep::addFace(const Brep::VertexList &vertices, const Brep::IndexList indices)
{

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...

QList<int> auxList;
for(it=indices.begin(); it!=indices.end(); it++) {
   auxList = *it;

QList<int> auxList;
for(it=indices.begin(); it!=indices.end(); it++) {
   auxList = *it;

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GCC complains:

In member function 'void Brep::addFace(const QList<QVector3D>&, QList<int>)':
../brep.cpp:47: error: no match for 'operator=' in 'it = QList<T>::begin() const [with T = int]()'
/Library/Frameworks/QtCore.framework/Headers/qlist.h:168: note: candidates are: QList<int>::iterator& QList<int>::iterator:perator=(const QList<int>::iterator&)

I'd like to make use of the existing container classes instead of having to write a new one from scratch.