Re: [Haskell-beginners] haskell error message

On Monday 29 August 2011, 15:31:09, Ozgur Akgun wrote:

On 29 August 2011 14:20, Daniel Fischer wrote:

...

Try a larger value or use the sledgehammer method and turn off the limit: -fno-spec-constr-count

Yes I tried this and it removes the warnings.

Strangest thing is, when I set -f-spec-constr-count to 10, the generated warning is "... has four call patterns, but the limit is 3 ...". Somehow it doesn't say the limit is 10.

Second generation. You have a function with three call patterns (and no previous constructor specialisation), limit is 10, fine, specialise. This function calls a worker. Now, since we had three specialisations above, the limit here is 10 `div` 3 = 3. The worker would have four call patterns; 4 > 3 => message "Hi there, I could have done more, but the limit said I shouldn't. You might want to set a higher limit if you think it's worthwhile to specialise." Cheers, Daniel