ace_test_lib/
lib.rs

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//! sum fn
//! demo
/// add one
/// #Demo
/// ```
/// let c = ace_rust_lib::sum(1,2);
/// assert_eq!(ace_rust_lib::sum(1,2), 3);
/// ```
pub fn sum(a: i32, b: i32) -> i32 {
    a + b
}