What's the difference between equal?, eql?, ===, and ==?I am trying to understand the difference between these four methods. I know by default that == calls the method equal? which returns true when both operands refer to exactly the same object. === by default also calls == which calls equal?... okay, so if all these three methods are not overridden, then I guess ===, == and equal? do exactly the same thing? Now comes eql?. What does this do (by defau
