syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"AdtExprBase::DefaultFields("}]}
source_snippet:                                     AdtExprBase::DefaultFields(
context_before:                                 hir::StructTailExpr::DefaultFields(_) => {
context_after:                                         self.typeck_results.fru_field_types()[expr.hir_id]