Episode #089: Coincidental Duplication

You have probably heard the DRY mantra: Don't Repeat Yourself! Wherever we find duplication, we try to eliminate it and create a single source for a given piece of knowledge. But not all duplication is created equal. While some duplication indicates that a piece of knowledge has been copied from one place to another, other times two pieces of code can be similar purely by coincidence. In this episode, you'll see an example of this second form of duplication. You'll learn that just because two things look the same, that doesn't necessarily imply that they need to be collapsed into one.

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