[1 of 1] Compiling Language.Haskell.TH.Instances ( src/Language/Haskell/TH/Instances.hs, dist/dist-sandbox-e46b1f0e/build/Language/Haskell/TH/Instances.o )
src/Language/Haskell/TH/Instances.hs:142:10:
Duplicate instance declarations:
instance Lift Natural
-- Defined at src/Language/Haskell/TH/Instances.hs:142:10
instance Lift Natural -- Defined in ‘Numeric.Natural’
cabal: Error: some packages failed to install:
haskell-src-meta-0.6.0.11 depends on th-orphans-0.12.2 which failed to
install.
upgraded the th-orphans dependency to 0.13 and the error is gone
Was getting this error when compiling my project:
upgraded the th-orphans dependency to 0.13 and the error is gone
have a strong feeling the error was resolved by this commit: https://github.com/mgsloan/th-orphans/commit/9372ff773d1f6c92397ba251fc92aae755bb7e77