syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"Self::Seq(elts)"}]}
source_snippet:             Self::Seq(elts) => elts.into_iter().all(|elt| elt.is_inhabited()),
context_before:         match self {
context_after:             Self::Alt(alts) => alts.into_iter().any(|alt| alt.is_inhabited()),