syntax_data: {"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"self.is_poly"}]}
source_snippet:         self.is_poly |= self.pat_is_poly(pat);
context_before:     fn visit_pat(&mut self, pat: &'a thir::Pat<'tcx>) {
context_after:         if !self.is_poly {