Writing unit test for the Calculator struct.

lib.rs

// Full tutorial here https://youtu.be/LJppDNH2CHI

#[cfg(test)]
mod test{
    use crate::Calculator;

    #[test]
    fn test_addition(){
       let mut calculator = Calculator::new();  

        calculator.set_result(4.0);
        calculator.add([5.0,5.0].to_vec());

        assert_eq!(14.0, calculator.get_result())

    }
}