pub fn add(a: i32, b: i32) -> i32 {
a + b
}
pub fn subtract(a: i32, b: i32) -> i32 {
a - b
}
pub fn multiply(a: i32, b: i32) -> i32 {
a * b
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_operations() {
assert_eq!(add(2, 3), 5);
assert_eq!(subtract(5, 3), 2);
assert_eq!(multiply(3, 4), 12);
}
}