src/Data/Semiring.hs | 2 1 + 1 - 0 !
src/Text/RegExp/Data.hs | 2 1 + 1 - 0 !
src/Text/RegExp/Matching.hs | 8 4 + 4 - 0 !
3 files changed, 6 insertions(+), 6 deletions(-)

 add eq instance constraint to semiring class
  Num no longer implies Eq, so we need this now.