What does this line of code mean

What does this line of code mean

let a = (0 != (3 & 3));

The & operator performs a bitwise AND operation on both integers. Therefore 3 & 3 is just a no-op generating 3 since anything bitwise-ANDed with itself is just the same value, meaning the statement is equivalent to let a = (0 != 3) which is just let a = true;. It’s a bit of a pointless line of code β€” maybe it makes more sense in context?

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thank you <3