# cabal sandbox init Writing a default package environment file to /cabal.dist/cabal.sandbox.config Creating a new sandbox at /cabal.dist/sandbox # cabal sandbox add-source # cabal sandbox add-source # cabal install Resolving dependencies... Configuring q-0.1.0.0... Preprocessing library for q-0.1.0.0.. Building library for q-0.1.0.0.. Installing library in Installed q-0.1.0.0