syntax_data: {"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"remap[locals[saved_local]]"}]}
source_snippet:             remap[locals[saved_local]] = Some((tys[saved_local].ty, variant_index, idx));
context_before:             let idx = FieldIdx::from_usize(idx);
context_after:         }