回答編集履歴
1
class TCPServerも追加
test
CHANGED
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@@ -1,3 +1,5 @@
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1
1
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ぐぐればでてきますよ。
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2
2
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3
3
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[class TCPSocket](https://docs.ruby-lang.org/ja/latest/class/TCPSocket.html)
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4
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+
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5
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+
[class TCPServer](https://docs.ruby-lang.org/ja/latest/class/TCPServer.html)
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