syntax_data: {"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"replace_base(place,"}]}
source_snippet:             replace_base(place, self.make_field(variant_index, idx, ty), self.tcx);
context_before:         if let Some(&Some((ty, variant_index, idx))) = self.remap.get(place.local) {
context_after:         }