Re: [Haskell-cafe] Intuitive function given type signature

On 19 May 2010, at 08:35, Ivan Miljenovic wrote:

This looks suspiciously like homework...

2010/5/19 R J :

...

What are some simple functions that would naturally have the following type signatures: f :: (Integer -> Integer) -> Integer

I can only think of one solution to this but it doesn't guarantee that it returns a value...

I can think of infinitely many solutions.