Interface IndexGetDataRefForGetRef

flow-message/src/cross/mod.rs:78–83

        fn get_ref(&self, key: &'_ Idx) -> Option<&data::Data>;
    }
    pub trait IndexGetDataRefForGetRef<Idx>
    where
        Idx: ?Sized,
    {
        fn get_ref(&self, key: &'_ Idx) -> Option<&data::Data>;
    }
    pub trait IndexGetDataMut<Idx>
    where
        Idx: ?Sized,