Compare these different declarations.
filter :: (a -> Bool) -> [a] -> [a]
filter ::  a -> Bool  -> [a] -> [a]


Parse each of these declarations.
bob :: a -> b -> c -> d -> b
bob :: (a -> b) -> c -> d -> b
bob :: (a -> b) -> (c -> d) -> b
bob :: (a -> b) -> (c -> d) -> Integer
bob :: a -> ((b -> c) -> d) -> (e -> f) -> g