Hugs/GHC incompatibility
Wolfgang Jeltsch
wolfgang at jeltsch.net
Wed Jan 21 22:49:11 EST 2004
Am Mittwoch, 21. Januar 2004 21:52 schrieb Wolfgang Jeltsch:
> Hello,
>
> I have some code which runs fine with GHC/GHCi but signals
> Program error: undefined array element
> when run with Hugs. Does anyone know why this difference occurs and where
> I have to search for the cause of the error in my code?
>
> Wolfgang
Hello again,
I think, I've found the problem. GHC seems to not implement Data.Array.array
correctly. The implementation doesn't adhere to the following sentence from
the Data.Array.IArray.array documentation:
If any two associations in the list have the same index, the value at that
index is undefined.
Could this be fixed?
Wolfgang
More information about the Haskell
mailing list