import core.thread;

import std.stdio : write, writeln, writef, writefln;

import std.conv : to;

import std.math;

​

class DerivedThread : Thread

{

    this()

    {

        super(&run);

    }

​

private:

    void run()

    {

        writeln("String one");

    }

​

    void sin()

    {

        writeln("U Gav No arguments");

    }

​

    int sin(int argument)

    {

        writeln(argument);

        writeln(sin(argument));

        return sin(argument);

    }

​

}

​

void main()

{

​

    DerivedThread tred = new DerivedThread;

    tred.sin(111);

​

}