I suppose it’s time to tell my story. I was a Smalltalk zealot in the late 90’s, but I left it behind when I started my own business. I’ve now come full-circle, and I’m finding once again that Smalltalk is the best tool for most of the programming work I do.
I learned Smalltalk programming from [...]
Entries Tagged as ‘Ruby’
February 12, 2007
My Full-Circle Journey Back to Smalltalk
February 8, 2007
Identity and Equality in Ruby and Smalltalk
One important concept in object-oriented languages is the difference between equality and identity. The concept isn’t complicated, but the English words we use to talk about it are imprecise. The thesaurus says that “identity” and “equality” are synonyms. So let’s back up and make sure we’re being clear on the concepts.
We often talk about variables [...]