syntax_data: {"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// to avoid the cost of the `match`.
context_before:     /// Avoid this in favour of more specific `new_*` methods, where possible,
context_after:     pub fn new_from_kind(tcx: TyCtxt<'tcx>, kind: RegionKind<'tcx>) -> Region<'tcx> {