mutating a field after move

mutatemovedfield

struct Foo {
    name: String
}

impl Drop for Foo {
    fn drop(&mut self) {
        println!("dropped");
    }
}

fn another_fn(f: Foo) {
    println!("f name is {}",f.name);
}

fn main() {
    let mut f = Foo {name: "myname".to_string()};
    another_fn(f);                         // f 'moved' to another_fn
    f.name = "another name".to_string();   // why am I allowed to do this?
}