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using Godot;
public class MustBeVariantGD0302
{
public void MethodOk<[MustBeVariant] T>()
{
// T is guaranteed to be a Variant-compatible type because it's annotated with the [MustBeVariant] attribute, so it can be used here.
new ExampleClass<T>();
Method<T>();
}
public void MethodFail<T>()
{
// These two calls raise a GD0302 diagnostic error: T is not valid here because it may not a Variant type and method call and class require it.
new ExampleClass<{|GD0302:T|}>();
Method<{|GD0302:T|}>();
}
public void Method<[MustBeVariant] T>()
{
}
}
public class ExampleClass<[MustBeVariant] T>
{
}
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