add_two 0.1.0

Adds two to a number
Documentation 
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/// Adds two to the input.
pub fn add_two(x: i32) -> i32 {
    x + 2
}

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

    #[test]
    fn it_works() {
        assert_eq!(add_two(2), 4);
    }
}