This code snippet reminded me of a mental model I acquired from Dan Abramov via his Just JavaScript newsletter, where we learned to literally "draw" pointers to understand the concept of references in JS.
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In every high level language you're going to have the idea of references, like in JS if you do
If you understand that you'll see 42, then you understand pointers.
This code snippet reminded me of a mental model I acquired from Dan Abramov via his Just JavaScript newsletter, where we learned to literally "draw" pointers to understand the concept of references in JS.