//! [0]
QPair<QString, double> pair;
//! [0]


//! [1]
pair.first = "pi";
pair.second = 3.14159265358979323846;
//! [1]


//! [2]
QList<QPair<int, double> > list;
list.append(qMakePair(66, 3.14159));
//! [2]