cabal install --lib OpenGL ... src/Graphics/Rendering/OpenGL/GL/IOState.hs:40:4: error: [GHC-54721] ‘fail’ is not a (visible) method of class ‘Monad’ | 40 | fail str = IOState $ \_ -> fail str | ^^^^
cabal install --lib OpenGL
...
src/Graphics/Rendering/OpenGL/GL/IOState.hs:40:4: error: [GHC-54721]
‘fail’ is not a (visible) method of class ‘Monad’
|
40 | fail str = IOState $ _ -> fail str
| ^^^^