rust_crates_mcnwr/lib.rs
pub fn add(left: u64, right: u64) -> u64 {
left + right
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn it_works() {
let result = add(2, 2);
assert_eq!(result, 4);
}
}
pub fn say_hello(name: &str) -> String {
format!("Hello, {}", name)
}
pub fn say_goodbye(name: &str) -> String {
format!("Goodbye, {}", name)
}
pub fn say_hello_to_everyone() -> String {
"Hello everyone".to_string()
}
pub fn say_goodbye_to_everyone() -> String {
"Goodbye everyone".to_string()
}