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leonkunert/calculate_return.rs

Created May 21, 2014 19:50
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  1. leonkunert created this gist May 21, 2014.
    23 changes: 23 additions & 0 deletions calculate_return.rs
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,23 @@

    fn calculate_return(cost :f64, given :f64) -> f64 {
    return given - cost
    }

    #[test]
    fn calculate_return_test(){
    assert_eq!(calculate_return(13.23f64, 15.00f64), 1.77f64);
    }

    #[test]
    fn calculate_return_test2(){
    assert_eq!(calculate_return(132.23f64, 150.00f64), 17.77f64);
    }

    #[test]
    fn calculate_return_test3(){
    assert_eq!(calculate_return(1f64, 2f64), 1f64);
    }

    fn main() {
    println!("{}",calculate_return(123.45, 130.00));
    }