{"ast_node_type":"struct","tokens":[{"end":76,"kind":"keyword","start":0,"text":"//"}]}
                // same rules that check_expr_struct uses for macro hygiene.
                // Look for the ExprField that matches the field, using the
                if self.tcx.adjust_ident(expr_field.ident, variant_def_id) == field.ident(self.tcx)