Method Evaluate

eval/compiler/flat_expr_builder_test.cc:133–142

      : CelFunction(CelFunctionDescriptor{name, false, {}}), count_(count) {}

  absl::Status Evaluate(absl::Span<const CelValue> args, CelValue* result,
                        google::protobuf::Arena* arena) const override {
    if (!args.empty()) {
      return absl::Status(absl::StatusCode::kInvalidArgument,
                          "Bad arguments number");
    }
    (*count_)++;
    *result = CelValue::CreateBool(true);
    return absl::OkStatus();
  }

  int* count_;
};