$ stack build
$ stack install
$ ~/.local/bin/exp-CloudHaskell-ConsoleTell-exe
$ ~/.local/bin/exp-CloudHaskell-ConsoleAsk-exe
$ ~/.local/bin/exp-CloudHaskell-ConsoleChatServer-exe 0.0.0.0 9999
$ ~/.local/bin/exp-CloudHaskell-ConsoleChatClient-exe 0.0.0.0 9998 0.0.0.0:9999:0 mitsuji
$ ~/.local/bin/exp-CloudHaskell-ConsoleChatClient-exe 0.0.0.0 9997 0.0.0.0:9999:0 takamasa
$ ~/.local/bin/exp-CloudHaskell-WaiTell-exe 0.0.0.0 9999
$ ~/.local/bin/exp-CloudHaskell-WaiAsk-exe 0.0.0.0 9999
$ ~/.local/bin/exp-CloudHaskell-WaiChat-exe 0.0.0.0 9999