Code shared from the Rust Playground

playground.rs

trait Foo {
    fn foo();
}

struct Bar;

impl Foo for Bar {
    fn foo() {
        println!("From Bar");   
    }
}

fn generic_foo<T: Foo>() {
    T::foo();
}

fn main() {
    generic_foo::<Bar>(); // print "From Bar"
}