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variables - Why does Go allow compilation of unused function parameters?

One of the more notable aspects of Go when coming from C is that the compiler will not build your program if there is an unused variable declared inside of it. So why, then, is this program building if there is an unused parameter declared in a function?

func main() {
    print(computron(3, -3));
}


func computron(param_a int, param_b int) int {
    return 3 * param_a;
}
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