pub struct Thing {
    name: String,
    description: String,
    number: i32,
}

impl Thing {
    pub fn new() -> Self {
        Thing {
            name: String::new(),
            description: String::new(),
            number: 0,
        }
    }
    pub fn set_name_reference(&mut self, name: String) {
        self.name = name;
    }
    pub fn set_name_consume(mut self, name: String) -> Self {
        self.name = name;
        return self;
    }
}

fn main() {
    let mut anna = Thing::new();
    anna.set_name_reference(String::from("Anna"));
    anna.set_name_reference(String::from("Anna Lastname"));

    let mut bob = Thing::new();
    let mut bob = bob.set_name_consume(String::from("Bob"));
    let mut bob = bob.set_name_consume(String::from("Bob Lastname"));
}