>>> any (> 3) [] False
>>> any (> 3) [1,2] False
>>> any (> 3) [1,2,3,4,5] True
>>> any (> 3) [1..] True
>>> any (> 3) [0, -1..] * Hangs forever *
>>> getAny (Any True <> mempty <> Any False) True
>>> getAny (mconcat (map (\x -> Any (even x)) [2,4,6,7,8])) True
>>> anyM (readMaybe >=> pure . even) ["5", "10"] Just True >>> anyM (readMaybe >=> pure . even) ["10", "aba"] Just True >>> anyM (readMaybe >=> pure . even) ["aba", "10"] Nothing
>>> biany even isDigit (27, 't') False
>>> biany even isDigit (27, '8') True
>>> biany even isDigit (26, 't') True
>>> biany even isDigit (Left 27) False
>>> biany even isDigit (Left 26) True
>>> biany even isDigit (BiList [27, 53] ['t', '8']) TrueEmpty structures yield False:
>>> biany even isDigit (BiList [] []) False