import std.stdio;

​

struct Foo {

    this(int) {}

    ~this() {}

}

​

struct Bar {

    this(this) {

        writefln("Bar.this(this): %X", &this);

    }

    this(Foo, Foo) {

        writefln("Bar.this(int): %X", &this);

    }

    ~this() {

        writefln("Bar.~this(): %X", &this);

    }

}

​

void fun(Bar n) {

    writefln("fun: %X", &n);

}

​

void main() {

    fun(Bar(Foo(0), Foo(1)));

}