Created
May 12, 2020 13:35
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| instance Functor Prog where | |
| fmap _ (Crashed e) = Crashed e | |
| fmap f (End a) = End (f a) | |
| fmap f (Running a) = Running (f a) | |
| fmap f (AwaitInput a) = AwaitInput (f a) | |
| instance Applicative Prog where | |
| pure = Running | |
| _ <*> (Crashed e) = Crashed e | |
| (End f) <*> prog = fmap f prog | |
| (Running f) <*> prog = fmap f prog | |
| (AwaitInput f) <*> prog = fmap f prog |
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