syntax_data: {"ast_node_type":"function","tokens":[{"end":85,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn new_from_kind(tcx: TyCtxt<'tcx>, kind: RegionKind<'tcx>) -> Region<'tcx> {
context_before:     /// to avoid the cost of the `match`.
context_after:         match kind {