DokuWiki

#include <iostream>
using namespace std;
 
void put (string s)
{
    cout << "retezec " << s << endl;
}
 
void put (int p)
{
    cout << "cele cislo " << p << endl;
}
 
void put (double p)
{
    cout << "cislo " << p << endl;
}
 
void put (char c)
{
    cout << "pismeno " << c << endl;
}
 
void print ()
{
}
 
template <class T, class ... S>
void print (T head, S ... other)
{
    put (head);
    print (other ...);
}
 
void f ()
{
    print (1, 1.2, "abc", 'c');
}

#include "mainwindow.h"
 
#include <QApplication>
 
#include <string>
#include <iostream>
using namespace std;
#include <QString>
 
class Section
{
public:
     QString name;
     QVector <QString> items;
     QVector <Section> sections;
     Section (QString name0) : name (name0) {}
};
 
void add (Section & sect, QString item)
{
    sect.items.append (item);
    cout << "add " << item.toStdString () << " to section " << sect.name.toStdString () << endl;
}
 
void add (Section & sect, Section item)
{
    sect.sections.append (item);
    cout << "add section " << item.name.toStdString () << " to section " << sect.name.toStdString () << endl;
}
 
void expand (Section & sect)
{
}
 
template< class S, class ... T >
void expand (Section & sect, S head, T... tail)
{
    add (sect, head);
    expand (sect, tail...);
}
 
template< class ... T >
Section section (QString name, T ... params)
{
    Section result (name);
    expand (result, params...);
    return result;
}
 
int main(int argc, char *argv[])
{
    Section a = section ("acko", "alpha");
    Section b = section ("becko", "beta", a);
    Section c = section ("cecko", "gamma", section ("decko", b));
 
    QApplication app(argc, argv);
    MainWindow w;
    w.show();
    return app.exec();
}

Pripadne s konstuktorem

class Section
{
public:
     QString name;
     QVector <QString> items;
     QVector <Section> sections;
     Section (QString name0) : name (name0) {}
 
     template< class ... T >
     Section (QString name0, T ... params);
};
 
void add (Section & sect, QString item)
{
    sect.items.append (item);
    cout << "add " << item.toStdString () << " to section " << sect.name.toStdString () << endl;
}
 
void add (Section & sect, Section item)
{
    sect.sections.append (item);
    cout << "add section " << item.name.toStdString () << " to section " << sect.name.toStdString () << endl;
}
 
void expand (Section & sect)
{
}
 
template< class S, class ... T >
void expand (Section & sect, S head, T... tail)
{
    add (sect, head);
    expand (sect, tail...);
}
 
template< class ... T >
Section section (QString name, T ... params)
{
    Section result (name);
    expand (result, params...);
    return result;
}
 
template< class ... T >
Section::Section (QString name0, T ... params) :
   name (name0)
{
 
    expand (*this, params...);
}
 
int main(int argc, char *argv[])
{
    Section a = section ("acko", "alpha");
    Section b = section ("becko", "beta", a);
    Section d = section ("decko", "delta", section ("cecko", "gamma", b));
    Section e ("ecko", "epsilon", d);
}

Vse uvnitr tridy

class Section
{
public:
     QString name;
     QVector <QString> items;
     QVector <Section> sections;
     Section (QString name0) : name (name0) {}
 
     static void add (Section & sect, QString item)
     {
         sect.items.append (item);
         cout << "add " << item.toStdString () << " to section " << sect.name.toStdString () << endl;
     }
 
     static void add (Section & sect, Section item)
     {
         sect.sections.append (item);
         cout << "add section " << item.name.toStdString () << " to section " << sect.name.toStdString () << endl;
     }
 
     static void expand (Section & sect)
     {
     }
 
     template< class S, class ... T >
     static void expand (Section & sect, S head, T... tail)
     {
         add (sect, head);
         expand (sect, tail...);
     }
 
     template < class ... T >
 
     Section (QString name0, T ... params) :
         name (name0)
     {
         expand (*this, params...);
     }
 
     template < class ... T >
     static Section section (QString name, T ... params)
     {
         Section result (name);
         expand (result, params...);
         return result;
     }
};
 
template < class ... T >
static Section section (QString name, T ... params)
{
   return Section::section (name, params ...);
}
 
int main (int argc, char *argv[])
{
    Section a = section ("acko", "alpha");
    Section b = section ("becko", "beta", a);
    Section d = section ("decko", "delta", section ("cecko", "gamma", b));
}