func ValueOf(i any) Value {
	if i == nil {
		return Value{}
	}
	return unpackEface(i)
}

// assignTo returns a value v that can be assigned directly to typ.
// It panics if v is not assignable to typ.
// For a conversion to an interface type, target is a suggested scratch space to use.
func (v Value) assignTo(context string, dst *abi.Type, target unsafe.Pointer) Value {
	// if v.flag&flagMethod != 0 {

// StringValue returns a new [Value] for a string.
func StringValue(value string) Value {
	return Value{num: uint64(len(value)), any: stringptr(unsafe.StringData(value))}
}

// IntValue returns a [Value] for an int.
func IntValue(v int) Value {
	return Int64Value(int64(v))
}

// Int64Value returns a [Value] for an int64.
func Int64Value(v int64) Value {
	return Value{num: uint64(v), any: KindInt64}
}

func (dv *DynValue) ExprValue() ref.Val {
	return dv.exprValue
}

// Value returns the underlying value held by this reference.
func (dv *DynValue) Value() interface{} {
	return dv.value
}

// SetValue updates the underlying value held by this reference.
func (dv *DynValue) SetValue(value interface{}) error {
	dv.value = value
	var err error

      // initialized value.
      type_ = NONE;
    }
  }
  ~TaggedValue() { destroy(); }

  /// @brief Get the underlying value based on type.
  ///
  /// @tparam T The desired return type.
  /// @return The unwrapped value. If this `TaggedValue` type does not currently
  ///         contain a value of type `T`, the program terminates via a call to
  ///         `assert`.

func FromTimestamp(t time.Time) *Value {
	return &Value{value: t}
}

// FromNull creates a Value with Null value
func FromNull() *Value {
	return &Value{value: nil}
}

// FromMissing creates a Value with Missing value
func FromMissing() *Value {
	return &Value{value: Missing{}}
}

// FromBytes creates a Value from a []byte
func FromBytes(b []byte) *Value {
	return &Value{value: b}
}

	}

Error:
	panic(fmt.Sprintf("invalid binary operation %v %s %v", x_, op, y_))
}

func add(x, y Value) Value { return BinaryOp(x, token.ADD, y) }
func sub(x, y Value) Value { return BinaryOp(x, token.SUB, y) }
func mul(x, y Value) Value { return BinaryOp(x, token.MUL, y) }
func quo(x, y Value) Value { return BinaryOp(x, token.QUO, y) }

// Shift returns the result of the shift expression x op s

	return k.setStringValue(name, SZ, value)
}

// SetExpandStringValue sets the data and type of a name value
// under key k to value and EXPAND_SZ. The value must not contain a zero byte.
func (k Key) SetExpandStringValue(name, value string) error {
	return k.setStringValue(name, EXPAND_SZ, value)
}

// SetStringsValue sets the data and type of a name value

	for _, x := range a {
		x.Uses++
	}
}
func (v *Value) SetArg(i int, w *Value) {
	v.Args[i].Uses--
	v.Args[i] = w
	w.Uses++
}
func (v *Value) SetArgs1(a *Value) {
	v.resetArgs()
	v.AddArg(a)
}
func (v *Value) SetArgs2(a, b *Value) {
	v.resetArgs()
	v.AddArg(a)
	v.AddArg(b)
}
func (v *Value) SetArgs3(a, b, c *Value) {
	v.resetArgs()
	v.AddArg(a)
	v.AddArg(b)
	v.AddArg(c)

	const shift = 0.7

	// Saturation and value (in hsv colorspace) for background colors.
	const bgSaturation = 0.1
	const bgValue = 0.93

	// Saturation and value (in hsv colorspace) for foreground colors.
	const fgSaturation = 1.0
	const fgValue = 0.7

	// Choose saturation and value based on isBackground.
	var saturation float64
	var value float64
	if isBackground {
		saturation = bgSaturation

func (tv TypeAndValue) IsBuiltin() bool {
	return tv.mode == builtin
}

// IsValue reports whether the corresponding expression is a value.
// Builtins are not considered values. Constant values have a non-
// nil Value.
func (tv TypeAndValue) IsValue() bool {
	switch tv.mode {
	case constant_, variable, mapindex, value, nilvalue, commaok, commaerr:
		return true
	}
	return false
}