import std.stdio;

​

struct use

{

    int x;

​

    int toInt()

    {

        return x;

    }

​

    use fromInt(int v)

    {

        return use(v);

    }

​

    alias toInt this; // implicit conversion to int value

​

    this(int v)

    {x = v;}

}

​

void useP(int v)

{

    v.writeln;

}

​

void useV(T)(T v)

{

    v.writeln;

}

​

void main(string[] args)

{

    use a = use(2);

    //useP(a);

    useV(2); // how can i let this work?

}