syntax_data: {"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"adt_def.variants()[*variant_index].name"}]}
source_snippet:                     adt_def.variants()[*variant_index].name == rustc_span::sym::$variant
context_before:                     $self.tcx.is_diagnostic_item(rustc_span::sym::$adt, adt_def.did()) &&
context_after:                 } => $variant_expr,