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Roblox debug.getupvalues is one of those functions that sounds incredibly intimidating if you're just starting out with scripting, but once you peel back the layers, it's actually a pretty fascinating window into how Luau (Roblox's version of Lua) handles data. If you've ever found yourself staring at a piece of code, wondering how on earth a function is remembering a variable that wasn't passed into it as an argument, you're essentially looking at the mystery that this function is designed to solve. ...