test objects design

Matz comments: Otaku, Cedric’s weblog: Flaws in Ruby

Finally, I am not against “method overloading”, but it very easily leads to optional static typing in the language, which changes the language
very drastically, since you need to specify “type” to overload
arguments. Without well-thought design, it can “destroy” the language
and its culture. I have not yet got that well-thought design of
method overloading