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- GD0402: The class must not be generic
- =====================================
- ==================================== ======================================
- Value
- ==================================== ======================================
- **Rule ID** GD0402
- **Category** Usage
- **Fix is breaking or non-breaking** Breaking
- **Enabled by default** Yes
- ==================================== ======================================
- Cause
- -----
- A generic type is annotated with the ``[GlobalClass]`` attribute.
- Rule description
- ----------------
- The Godot editor assumes every :ref:`global class <doc_c_sharp_global_classes>`
- is instantiable, but generic types can't be instantiated because the type
- parameters are unbound.
- .. code-block:: csharp
- // This type is a valid global class because it's not generic.
- [GlobalClass]
- class SomeType : Node { }
- // This type is not a valid global class because it's generic.
- [GlobalClass]
- class SomeGenericType<T> { }
- How to fix violations
- ---------------------
- To fix a violation of this rule, change the type to remove the generic type parameters
- or remove the ``[GlobalClass]`` attribute.
- When to suppress warnings
- -------------------------
- Do not suppress a warning from this rule. Adding the ``[GlobalClass]`` to a
- generic type is an easy mistake to make and this warning helps users realize
- that it may result in unexpected errors.
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