[Haskell-cafe] Testing for different dependency versions?

[Simon Jakobi]

> To test your package with base-4.7 you'd simply run
>
>      stack test --resolver ghc-7.8 --install-ghc

Oh, actually that wouldn't be enough if you have more dependencies
than just base.
Try

    stack init --resolver ghc-7.8 --solver --install-ghc
    stack test

instead!