Want an "f a -> f b"?
Got a->b? Use <$>
Got f (a->b)? Use <*>
Got a -> f b? Use =<<
#haskell
@JulianBirch @bitemyapp @puffnfresh IObservable has no extract; (a -> f a) for f=IObservable.
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@dibblego@bitemyapp@puffnfresh (f a -> a)? e.g. get most recently transmitted value? -
@JulianBirch@bitemyapp@puffnfresh How is it implemented? - Show replies
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