What return type

They say there are no stupid questions when doing coding so here goes:
Can someone explain the following sentence to say a 12 year old
"One valid return type for main is ()"
What is the ()?
Is it the result of the function or what?

() stands for the void return type.


It's an empty tuple, often called "unit", which is the canonical way to say "nothing" in Rust.

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Thank you!!

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