import std.stdio;
 
class Foo
{
    void xyz() { writeln("Xyz without arguments exists!"); }
 
    void opDispatch(string name, T...)(T args)
    in
    {
        static assert (name == "foo" || name == "baz", "Invalid method called!");
    }
    body
    {
        writeln("Called method: ", name);
        foreach (i, arg; args) writefln("args[%d] == %s", i, arg);
    }
}
 
void main()
{
    Foo bar = new Foo();
    bar.baz();
    bar.xyz();
    bar.foo("hello", [5,10,15], 3.14f, ["foo":5, "bar":10], true);
    bar.asdasdasd();
}

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