src/lib.rs


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use wasm_bindgen::prelude::wasm_bindgen;

#[wasm_bindgen]
pub fn add(left: u32, right: u32) -> u32 {
    left + right
}

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

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