syntax_data: {"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"kind"}]}
source_snippet:                 kind = PatKind::Constant { value: lo.as_finite().unwrap() };
context_before:             (RangeEnd::Included, Some(Ordering::Equal)) if lo.is_finite() && hi.is_finite() => {
context_after:             }