syntax_data: {"ast_node_type":"other","tokens":[{"end":18,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:         match *t {
context_before:     fn print(t: &PatternKind<'tcx>, f: &mut fmt::Formatter<'_>) -> fmt::Result {
context_after:             PatternKind::Range { start, end } => {