Treat more closure parameter types as inferred #21583
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This is necessary for types that contain possibly illegal @retains annotations since those annotations are only removed before pickling for InferredTypes. Fixes scala#21347
The operations of an ExplainingTypeComparer are expensive. So we should only run it when producing an error message.
dwijnand
approved these changes
Sep 13, 2024
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Ah ok, didn't think it would be expensive, but I can understand that concern. My usecase is tracing execution, so running things twice is confusing and duplicative. So I might've used comparing { cmp => so I can switch back to the expensive TypeComparer.explaining { cmp => when debugging and avoid the double run. But my preference shouldn't impede your fix.
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This is necessary for types that contain possibly illegal @retains annotations since those annotations are only removed before pickling for InferredTypes.
Fixes #21437