[2 of 3] Compiling Sudoku.Problem ( examples/sudoku/Sudoku/Problem.hs, dist/build/ersatz-sudoku/ersatz-sudoku-tmp/Sudoku/Problem.o )
examples/sudoku/Sudoku/Problem.hs:48:5:
Non type-variable argument in the constraint: MonadReader Env m
(Use FlexibleContexts to permit this)
this is annoying, as it only concerns an example, but prohibits (automatic) installation - unless you figure out cabal install -f -examples ...
for ersatz-0.3:
this is annoying, as it only concerns an example, but prohibits (automatic) installation - unless you figure out
cabal install -f -examples
...