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Everything that happens is a function call

When you are using R, every computation happens because of a call to a function.

In other words, every operation made on an object is linked to a function. And you've been using functions from the very first day you started R: <- is a function, as is [.

What do you think would be the output of this code?

class(`$`)

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<Kurs>Intermediate Functional Programming with purrr</Kurs>
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