The following explanation is from an old friend of the show, Will (also known as @beiju). Unbeknownst to us, he’s been following along with Programming By Stealth all this time and just popped his head up for the first time in quite a few years.
Will wrote the following in an email to Bart and me:
In recent episodes Allison has been audibly frustrated about objects. I noticed a disconnect in Allison’s understanding of objects that I think is causing all of this. I wrote up a short explanation (at least, it was short when I started) that I think will close the gap. I attached it as an HTML document, complete with imperfect syntax highlighting and tiny font to make you feel at home. It’s written in a conversational style talking directly to Allison. I start with restating things that I think you (Allison) are already comfortable with and take a series of small steps, each with some code examples that you can use to prove that I’m telling the truth, until I arrive at the link that Allison’s missing.
I liked it enough I wanted to make sure it was shared with the entire Programming By Stealth family. So here is Will’s fantastic explanation of objects.
Bart’s tutorial for this lesson is at bartbusschots.ie/… starting where he inserted the line, “Note: This is the point in the notes where the first podcast episode ends and the second begins.”
During this episode we briefly mention a wonderful email from Jill about factorials and more. I wanted to include the full letter in the shownotes here because it contains some wonderful explanations, especially an even better explanation of strongly vs. weakly-typed languages. Here’s Jill’s entire letter: