#include#include int main() { QStringList list = {"apple", "banana", "orange"}; QString first = list.pop_front(); qDebug() << "First element: " << first; qDebug() << "List after pop_front: " << list; return 0; }
First element: apple List after pop_front: ("banana", "orange")
#include#include int main() { QStringList list = {}; QString first = list.pop_front(); qDebug() << "First element: " << first; qDebug() << "List after pop_front: " << list; return 0; }
First element: "" List after pop_front: ()In this example, we create an empty QStringList and call pop_front on it. Since there are no elements to remove, an empty QString is returned and the list remains empty.