t.Errorf("missing value = %q, want empty string", g)
	}

	assertMem := func(n string, fd multipart.File) {
		if _, ok := fd.(*os.File); ok {
			t.Error(n, " is *os.File, should not be")
		}
	}
	fda := testMultipartFile(t, req, "filea", "filea.txt", fileaContents)
	defer fda.Close()
	assertMem("filea", fda)
	fdb := testMultipartFile(t, req, "fileb", "fileb.txt", filebContents)

	return assert[To]
}

type asserter[_ any] struct{}

func (asserter[_]) assert() {
	panic(0)
}

func AssertMV[To any]() func() {
	return asserter[To]{}.assert
}

func AssertME[To any]() func(asserter[To]) {
	return asserter[To].assert
}

var me = AssertME[string]()

var tests = []func(){
	Assert[int](),
	AssertMV[int](),
	func() { me(asserter[string]{}) },
}

func main() {

type DynamicType struct {
	miniExpr

	// RType is an expression that yields a *runtime._type value
	// representing the asserted type.
	//
	// BUG(mdempsky): If ITab is non-nil, RType may be nil.
	RType Node

	// ITab is an expression that yields a *runtime.itab value
	// representing the asserted type within the assertee expression's
	// original interface type.
	//
	// ITab is only used for assertions (including type switches) from

      TFE_NewOp(context.get(), function_name, status.get()), TFE_DeleteOp);
  ASSERT_EQ(TF_GetCode(status.get()), TF_OK) << TF_Message(status.get());
  TFE_OpSetDevice(op.get(), device_name, status.get());
  ASSERT_EQ(TF_GetCode(status.get()), TF_OK) << TF_Message(status.get());
  TFE_OpAddInput(op.get(), parallel_value.get(), status.get());
  ASSERT_EQ(TF_GetCode(status.get()), TF_OK) << TF_Message(status.get());

  ASSERT_TRUE(succeeded(res));
  ASSERT_EQ(2147483647, op.getLhsQuantizationMaxValAttr().getInt());
  ASSERT_EQ(-2147483648, op.getLhsQuantizationMinValAttr().getInt());
  ASSERT_EQ(2147483647, op.getRhsQuantizationMaxValAttr().getInt());
  ASSERT_EQ(-2147483648, op.getRhsQuantizationMinValAttr().getInt());
  ASSERT_EQ(2147483647, op.getOutputQuantizationMaxValAttr().getInt());

  ASSERT_EQ(TF_OK, TF_GetCode(status.get())) << TF_Message(status.get());

  TF_OutputListSetNumOutputs(mm_outputs, 1, status.get());
  ASSERT_EQ(TF_OK, TF_GetCode(status.get())) << TF_Message(status.get());
  TF_ExecuteOperation(fn_op, 1, &input_t, mm_outputs, status.get());
  ASSERT_EQ(TF_OK, TF_GetCode(status.get())) << TF_Message(status.get());

  ASSERT_EQ(1, TF_OutputListNumOutputs(mm_outputs));

    status_ = StatusFromTF_Status(status.get());
    ASSERT_EQ(errors::OK, status_.code()) << status_.message();

    {
      AbstractContext* ctx_raw = nullptr;
      status_ =
          BuildImmediateExecutionContext(std::get<1>(GetParam()), &ctx_raw);
      ASSERT_EQ(errors::OK, status_.code()) << status_.message();
      immediate_execution_ctx_.reset(ctx_raw);
    }

  ASSERT_EQ(errors::OK, s.code()) << s.message();
  if (isa<TracingOperation>(check_numerics_op.get())) {
    s = dyn_cast<TracingOperation>(check_numerics_op.get())
            ->SetOpName("check_numerics");
    ASSERT_EQ(errors::OK, s.code()) << s.message();
  }
  s = AddInput(check_numerics_op.get(), t.get(), &forward_op);
  ASSERT_EQ(errors::OK, s.code()) << s.message();

      CalculateQuantizedRange(1e-6, 0, std::nullopt, std::nullopt, -128, 127);
  ASSERT_EQ(a.first, -128);
  ASSERT_EQ(a.second, 127);

  auto b = CalculateQuantizedRange(1e-6, 0, 0.0, std::nullopt, -128, 127);
  ASSERT_EQ(b.first, 0);
  ASSERT_EQ(b.second, 127);

  auto c = CalculateQuantizedRange(1e-6, 0, -1.0, 1.0, -128, 127);
  ASSERT_EQ(c.first, -128);
  ASSERT_EQ(c.second, 127);

      ASSERT_TRUE(op.allows_uninitialized_input());
      ASSERT_EQ(4, op.deprecation().version());
      ASSERT_EQ(deprecation_msg, op.deprecation().explanation());
      ASSERT_EQ(2, op.attr_size());
      ASSERT_EQ("int", op.attr(0).type());
      ASSERT_EQ(2, op.attr(0).minimum());
      ASSERT_EQ("string", op.attr(1).type());
      ASSERT_EQ("my string", op.attr(1).default_value().s());
      found = true;
    }