haskell-setenv: haskell-setenv (library for setting environment variables) haskell-setenv: haskell-setenv: A cross-platform library for setting environment variables. Note: haskell-setenv: Since base-4.7.0.0 the functions setEnv and unsetEnv are provided by haskell-setenv: System.Environment. System.SetEnv merily re-exports those functions haskell-setenv: when built with base >= 4.7. haskell-setenv: haskell-setenv: haskell-setenv: haskell-setenv: haskell-setenv: