Untitled

import std.stdio;

import std.variant;

public class Blah {
    private Variant[string] values;

    alias values this;

    this() {
        this.x = 5;
    }

    @property
    Variant opDispatch(string name)() const {
        return values[name];
    }

    @property
    void opDispatch(string name, T)(T val) {
        values[name] = val;
    }

    void update() {
        this.x = this.x + 1;
    }
}

void main()
{
	Blah blah = new Blah();

    writeln(blah["x"]);

    writeln(blah.x);

    blah.update();

    writeln(blah["x"]);

    writeln(blah.x);
}