Generics

Generic function with type constrained to implement Debug and PartialOrder traits:

#![allow(unused)]
fn main() {
fn return_me<T: Debug + PartialOrder>(arg: T) -> T {
    println!("{:?}", arg);
    arg
}
}

or

#![allow(unused)]
fn main() {
fn return_me<T>(arg: T) -> T 
    where T: Debug + PartialOrder {
    println!("{:?}", arg);
    arg
}
}