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Graphics.Animation.Cal3D.Error |
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Synopsis |
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Documentation |
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:: Eq a | | => IO a | action
| -> a | bad value
| -> String | error message
| -> IO (Either String a) | | Compares the result of an action with a bad value, such as an
error code, returns (Left errormessage) if action value == bad,
otherwise (Right actionresult)
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:: Eq a | | => IO a | action
| -> a | bad value
| -> String | error message
| -> IO (Either String ()) | | Like checkError, but returns (Right ()) instead of an interesting value.
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Produced by Haddock version 2.4.2 |