add unit test for type inference of empty alternative #532
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This case was missing from the type inference unit tests.
Gabriella439
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May 6, 2019
singpolyma
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May 7, 2019
…tive-type-inference
philandstuff
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TristanCacqueray
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Jan 4, 2025
Part of dhall-lang#532 Before this change a type diff might look like this: ```haskell ∀(… : ∀(… : …) → …) → ∀(… : - Type + { … : … } ) → ∀(… : - ∀(… : …) → … + Type ) → - … … + ∀(… : …) → … ``` ... and after this change the same diff is now more concise: ```haskell … → ∀(… : - Type + { … : … } ) → ∀(… : - … → … + Type ) → - … … + … → … ```
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This case was missing from the type inference unit tests.