calc_mjp 1.1.0

calc simple library
Documentation 
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#[cfg(feature = "calc")]
pub fn add(left: i32, right: i32) -> i32 {
    left + right
}

#[cfg(feature = "calc")]
pub fn minus(left: i32, right: i32) -> i32 {
    left - right
}

#[cfg(feature = "say")]
pub fn say_hello() {
    println!("hello world")
}


#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn add_it_works() {
        let result = add(2, 2);
        assert_eq!(result, 4);
    }

    #[test]
    fn minus_it_works() {
        let result = add(4, 2);
        assert_eq!(result, 2);
    }
}