Resolving dependencies...
Downloading typeof-0.1.2...
Configuring typeof-0.1.2...
Building typeof-0.1.2...
ghc-pkg: cannot create: dist/package.conf.inplace already exists
Failed to install typeof-0.1.2
cabal: Error: some packages failed to install:
typeof-0.1.2 failed during the building phase. The exception was:
ExitFailure 1