Hi, On 16 May 2015 at 03:57, Peng Yu <pengyu.ut at gmail.com> wrote: > Data/BloomFilter/Mutable.hs:136:9: > Non type-variable argument > in the constraint: [...] Not a Cabal issue: the library wasn't updated to work with GHC 7.10. See https://github.com/bos/bloomfilter/issues/11 and https://github.com/bos/bloomfilter/pull/10