:sig
DValue& DValue::deref()
const DValue& DValue::deref() const

:params
return value : referenced target when resolvable, otherwise this value

:see
0_DValue
2_DValue_is_reference

:content
Returns the value after following internal reference links. Most public accessors call this for you, so direct use is rare in unit code.

```cpp
const DValue& actual = value.deref();
print(actual.get_type_name());
```