syntax_data: {"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"impl<'a,"}]}
source_snippet: impl<'a, 'tcx> PatCtxt<'a, 'tcx> {
context_after:     fn lower_pattern(&mut self, pat: &'tcx hir::Pat<'tcx>) -> Box<Pat<'tcx>> {