[Haskell-cafe] Foreign function performance: monadic vs pure

[Felipe Almeida Lessa]

On Mon, Apr 11, 2011 at 10:14 AM, Maciej Marcin Piechotka
<uzytkownik2 at gmail.com> wrote:
>> main = mapM (\x -> return $! c_sin_u) [1..n]
> 0.012 s

This should be

  main = mapM (\x -> return $! c_sin_u x) [1..n]

-- 
Felipe.