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- GD0102: The type of the exported member is not supported
- ========================================================
- ==================================== ======================================
- Value
- ==================================== ======================================
- **Rule ID** GD0102
- **Category** Usage
- **Fix is breaking or non-breaking** Breaking - If the member type is changed
- Non-breaking - If the ``[Export]`` attribute is removed
- **Enabled by default** Yes
- ==================================== ======================================
- Cause
- -----
- An unsupported type is specified for a member annotated with the ``[Export]``
- attribute when a :ref:`Variant-compatible <doc_c_sharp_variant>` type is expected.
- Rule description
- ----------------
- Every exported member must be Variant-compatible so it can be marshalled by
- the engine.
- .. code-block:: csharp
- class SomeType { }
- // SomeType is not a valid member type because it doesn't derive from GodotObject,
- // so it's not compatible with Variant.
- [Export]
- public SomeType InvalidProperty { get; set; }
- // System.Int32 is a valid type because it's compatible with Variant.
- [Export]
- public int ValidProperty { get; set; }
- How to fix violations
- ---------------------
- To fix a violation of this rule, change the member's type to be Variant-compatible
- or remove the ``[Export]`` attribute.
- When to suppress warnings
- -------------------------
- Do not suppress a warning from this rule. Members with types that can't be marshalled
- will result in runtime errors.
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