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echoクライアント (Nested Flatten)

Squeak Smalltalk で。

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| serverAddress portNumber socket string |
serverAddress := NetNameResolver addressFromString: '127.0.0.1'.
portNumber := 9999.
socket := Socket newTCP.
socket connectTo: serverAddress port: portNumber.
World findATranscript: nil.
[(string := FillInTheBlank request: 'string:') notEmpty] whileTrue: [
    socket sendData: string, String crlf.
    Transcript show: socket receiveData].
socket close

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