const SOME_CONDITION: bool = true;

fn main() {
    let mut foo = Foo::default();
    let foo = Foo::default().chain_move().chain_move();
    let foo = if SOME_CONDITION {
        foo.chain_move().chain_move().chain_move()
    } else {
        foo
    };
    consume_ref(&foo);
    consume_move(foo);
}

// ============================================================================
// Shared definitions.
// ============================================================================

#[derive(Debug, Default)]
struct Foo {
    value: usize,
}

impl Foo {
    fn chain_move(mut self) -> Self {
        self.value += 1;
        self
    }

    fn chain_ref(&mut self) -> &mut Self {
        self.value += 1;
        self
    }
}

fn consume_move(foo: Foo) {
    println!("{:?}", foo);
}

fn consume_ref(foo: &Foo) {
    println!("{:?}", foo);
}