Function rustc_middle::ty::query::on_disk_cache::decode_tagged

pub(in ty::query::on_disk_cache) fn decode_tagged<D, T, V>(
    decoder: &mut D, 
    expected_tag: T
) -> Result<V, D::Error> where
    T: Decodable<D> + Eq + Debug,
    V: Decodable<D>,
    D: DecoderWithPosition,