syntax_data: {"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"Self::Seq(vec![Self::u8();"}]}
source_snippet:         Self::Seq(vec![Self::u8(); width_in_bytes.try_into().unwrap()])
context_before:     pub(crate) fn number(width_in_bytes: u64) -> Self {
context_after:     }