import std.stdio;

​

class InnerException : Exception

{

    string fuckyou = "Fuck off and die."; // XXX NEVER PRINT THIS

    this() @safe { super("Inner"); }

}

​

class OuterException : Exception

{

    string helloworld = "Hello World";

    this() @safe { super("Outer"); }

}

​

void foo() @safe {

    try throw new InnerException;

    catch (InnerException ex) { return; }

    // print friendly "hello world" message

    catch (OuterException ex) { writefln("%s", ex.helloworld); }

}

​

void main() @safe {

    try throw new OuterException;

    finally foo();

}

​