pub fn parse_der_tagged_explicit<'a, IntoTag, T, E>(
    tag: IntoTag
) -> impl FnMut(&'a [u8]) -> ParseResult<'_, TaggedParser<'a, Explicit, T, E>, E> where
    IntoTag: Into<Tag>,
    TaggedParser<'a, Explicit, T, E>: FromDer<'a, E>,
    E: From<Error>,