{"id":42690,"date":"2024-11-13T20:47:54","date_gmt":"2024-11-13T20:47:54","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=42690"},"modified":"2024-11-26T06:34:45","modified_gmt":"2024-11-26T06:34:45","slug":"2-c-%ec%b5%9c%ec%8b%a0-%eb%ac%b8%eb%b2%95%ea%b3%bc-%ea%b8%b0%eb%8a%a5-%ed%99%9c%ec%9a%a9-switch-%ed%91%9c%ed%98%84%ec%8b%9d%ea%b3%bc-%ed%8c%a8%ed%84%b4-%eb%a7%a4%ec%b9%ad","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/42690\/","title":{"rendered":"[\uac1d\uccb4\uc9c0\ud5a5] 2.C# \ucd5c\uc2e0 \ubb38\ubc95\uacfc \uae30\ub2a5 \ud65c\uc6a9, switch \ud45c\ud604\uc2dd\uacfc \ud328\ud134 \ub9e4\uce6d"},"content":{"rendered":"

<\/p>\n

\n C#\uc740 \ud604\uc7ac \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c\uc5d0\uc11c \ub9e4\uc6b0 \uc778\uae30\uac00 \ub192\uace0 \uac15\ub825\ud55c \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uc785\ub2c8\ub2e4. \ud2b9\ud788, C#\uc758 \ucd5c\uc2e0 \ubc84\uc804\uc5d0\uc11c\ub294 \ub9ce\uc740 \uae30\ub2a5\uc774 \ucd94\uac00\ub418\uc5b4
\n \uac1c\ubc1c\uc790\ub4e4\uc774 \ucf54\ub4dc \uc791\uc131 \uc2dc \ub354 \ud6a8\uc728\uc801\uc73c\ub85c \uc791\uc5c5\ud560 \uc218 \uc788\uac8c \ud574\uc90d\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 C#\uc758 \ucd5c\uc2e0 \ubb38\ubc95\uacfc \uae30\ub2a5 \uc911, \ud2b9\ud788 switch \ud45c\ud604\uc2dd\uacfc
\n \ud328\ud134 \ub9e4\uce6d\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n

1. switch \ud45c\ud604\uc2dd \uc18c\uac1c<\/h2>\n

\n switch \ud45c\ud604\uc2dd\uc740 C# 8.0\uc5d0\uc11c \ub3c4\uc785\ub41c \uae30\ub2a5\uc73c\ub85c, \uae30\uc874\uc758 switch \ubb38\ubcf4\ub2e4 \ub354\uc6b1 \uac04\uacb0\ud558\uace0 \uba85\ud655\ud55c \ubb38\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \ud45c\ud604\uc2dd\uc740
\n \uc870\uac74\uc5d0 \ub530\ub77c \uac12\uc744 \ubc18\ud658\ud558\uba70, \uacb0\uacfc\ub97c \ubcc0\uc218\uc5d0 \ud560\ub2f9\ud560 \uc218 \uc788\ub294 \uc7a5\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc778 \uad6c\ubb38\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.\n <\/p>\n

C#\n\/\/ switch \ud45c\ud604\uc2dd\uc758 \uae30\ubcf8 \uc608\uc81c\nint number = 2;\nstring result = number switch\n{\n    1 => \"\ud558\ub098\",\n    2 => \"\ub458\",\n    3 => \"\uc14b\",\n    _ => \"\uae30\ud0c0\" \/\/ \uae30\ubcf8(default)\uac12\n};\nConsole.WriteLine(result); \/\/ \ucd9c\ub825: \ub458\n<\/code><\/pre>\n
1.1. switch \ud45c\ud604\uc2dd\uc758 \uc7a5\uc810<\/h3>\n
\n        switch \ud45c\ud604\uc2dd\uc740 \uac00\ub3c5\uc131\uc774 \ub6f0\uc5b4\ub098\uba70, \ucf54\ub4dc\uac00 \uac04\uacb0\ud574\uc838\uc11c \uc720\uc9c0\ubcf4\uc218\ud558\uae30 \uc26c\uc6b4 \uc7a5\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uac01 \ucf00\uc774\uc2a4\uc5d0\uc11c \ubc18\ud658\ud560 \uac12\uc744
\n        \ubc14\ub85c \uc815\uc758\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c, \uae30\uc874\uc758 switch \ubb38\ubcf4\ub2e4 \ucf54\ub4dc \ud750\ub984\uc744 \uc774\ud574\ud558\uae30 \uc26c\uc6cc\uc9d1\ub2c8\ub2e4.\n    <\/p>\n
2. \ud328\ud134 \ub9e4\uce6d<\/h2>\n
\n        C# 7.0\ubd80\ud130 \ub3c4\uc785\ub41c \ud328\ud134 \ub9e4\uce6d\uc740 \uac1d\uccb4\uc758 \ud615\uc744 \uac80\uc0ac\ud558\uace0, \uc77c\uce58\ud558\ub294 \ud615\uc5d0 \ub530\ub77c \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uac8c \ud569\ub2c8\ub2e4. \uc774\ub294 \ucf54\ub4dc\uc758 \uc720\uc5f0\uc131\uacfc
\n        \uac00\ub3c5\uc131\uc744 \ub192\uc774\ub294 \ub370 \uae30\uc5ec\ud569\ub2c8\ub2e4. \ud328\ud134 \ub9e4\uce6d\uc740 \uc5ec\ub7ec\ud615\uc73c\ub85c \ub098\ub204\uc5b4 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc73c\uba70, \uc5ec\uae30\uc5d0\uc11c\ub294 switch<\/code> \ud45c\ud604\uc2dd \ub0b4\uc5d0\uc11c
\n        \uc5b4\ub5bb\uac8c \ud65c\uc6a9\ub420 \uc218 \uc788\ub294\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n    <\/p>\n
2.1. \uae30\ubcf8 \ud328\ud134 \ub9e4\uce6d<\/h3>\n
C#\n\/\/ \uae30\ubcf8 \ud328\ud134 \ub9e4\uce6d \uc608\uc81c\nobject obj = \"Hello\";\nstring message = obj switch\n{\n    string s when s.StartsWith(\"H\") => \"H\ub85c \uc2dc\uc791\ud558\ub294 \ubb38\uc790\uc5f4\uc785\ub2c8\ub2e4.\",\n    int i => \"\uc815\uc218\uc785\ub2c8\ub2e4: \" + i,\n    _ => \"\uc54c \uc218 \uc5c6\ub294 \ud0c0\uc785\uc785\ub2c8\ub2e4.\"\n};\nConsole.WriteLine(message); \/\/ \ucd9c\ub825: H\ub85c \uc2dc\uc791\ud558\ub294 \ubb38\uc790\uc5f4\uc785\ub2c8\ub2e4.\n<\/code><\/pre>\n
2.2. \ub354 \ubcf5\uc7a1\ud55c \ud328\ud134 \uc0ac\uc6a9<\/h3>\n
\n        C#\uc758 \ud328\ud134 \ub9e4\uce6d\uc740 \ud0c0\uc785 \ud328\ud134, \uac12 \ud328\ud134, \ub110 \ud328\ud134 \ub4f1\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud328\ud134\uc740 \ubcf5\uc7a1\ud55c \uc870\uac74\uc744 \uba85\ud655\ud558\uac8c \ud45c\ud604\ud560 \uc218 \uc788\uac8c \ud574\uc90d\ub2c8\ub2e4.
\n        \uc544\ub798 \uc608\uc81c\ub97c \uc0b4\ud3b4\ubd05\uc2dc\ub2e4.\n    <\/p>\n
C#\n\/\/ \ub2e4\uc591\ud55c \ud328\ud134 \ub9e4\uce6d \uc608\uc81c\nobject data = new List { 1, 2, 3 };\n\nstring resultPattern = data switch\n{\n    int[] arr => $\"\uc815\uc218 \ubc30\uc5f4\uc785\ub2c8\ub2e4. \uae38\uc774: {arr.Length}\",\n    List list when list.Count > 0 => $\"\uc815\uc218 \ub9ac\uc2a4\ud2b8\uc785\ub2c8\ub2e4. \uccab \ubc88\uc9f8 \uc694\uc18c: {list[0]}\",\n    _ => \"\uc54c \uc218 \uc5c6\ub294 \ub370\uc774\ud130 \ud0c0\uc785\uc785\ub2c8\ub2e4.\"\n};\nConsole.WriteLine(resultPattern); \/\/ \ucd9c\ub825: \uc815\uc218 \ub9ac\uc2a4\ud2b8\uc785\ub2c8\ub2e4. \uccab \ubc88\uc9f8 \uc694\uc18c: 1\n<\/int><\/int><\/code><\/pre>\n
3. switch \ud45c\ud604\uc2dd\uacfc \ud328\ud134 \ub9e4\uce6d\uc758 \uacb0\ud569<\/h2>\n
\n        switch \ud45c\ud604\uc2dd\uacfc \ud328\ud134 \ub9e4\uce6d\uc740 \ud568\uaed8 \uc0ac\uc6a9\ub418\uc5b4 \ud6e8\uc52c \uac15\ub825\ud55c \uae30\ub2a5\uc744 \ubc1c\ud718\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ucf54\ub4dc\uc758 \uac00\ub3c5\uc131\uc744 \ub192\uc774\uace0, \uc720\uc9c0\ubcf4\uc218\uc131\uc744
\n        \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub370 \ud070 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc774 \ub450 \uac00\uc9c0 \uae30\ub2a5\uc744 \uacb0\ud569\ud55c \uc608\uc81c\uc785\ub2c8\ub2e4.\n    <\/p>\n
C#\n\/\/ switch \ud45c\ud604\uc2dd\uacfc \ud328\ud134 \ub9e4\uce6d\uc758 \uacb0\ud569 \uc608\uc81c\nobject dataObject = 42;\nstring resultCombined = dataObject switch\n{\n    int n when n > 0 => $\"{n}\ub294 \uc591\uc218\uc785\ub2c8\ub2e4.\",\n    int n when n < 0 => $\"{n}\ub294 \uc74c\uc218\uc785\ub2c8\ub2e4.\",\n    null => \"\uac12\uc774 \uc5c6\uc2b5\ub2c8\ub2e4.\",\n    _ => \"\uc54c \uc218 \uc5c6\ub294 \ud0c0\uc785\uc785\ub2c8\ub2e4.\"\n};\nConsole.WriteLine(resultCombined); \/\/ \ucd9c\ub825: 42\ub294 \uc591\uc218\uc785\ub2c8\ub2e4.\n<\/code><\/pre>\n
4. \uacb0\ub860<\/h2>\n
\n        C#\uc758 \ucd5c\uc2e0 \ubb38\ubc95\uacfc \uae30\ub2a5, \ud2b9\ud788 switch \ud45c\ud604\uc2dd\uacfc \ud328\ud134 \ub9e4\uce6d\uc744 \ud65c\uc6a9\ud558\uba74 \ub354\uc6b1 \uac04\uacb0\ud558\uace0 \uac00\ub3c5\uc131\uc774 \ub192\uc740 \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n        \uc774\ub7ec\ud55c \uae30\ub2a5\ub4e4\uc740 \uac1c\ubc1c\uc790\ub4e4\uc774 \ub354 \uc801\uc740 \ucf54\ub4dc\ub85c \ub354 \ub9ce\uc740 \uc77c\uc744 \ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\uc8fc\uba70, \ud604\ub300 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c\uc758 \uc694\uad6c \uc0ac\ud56d\uc5d0
\n        \uc798 \ubd80\ud569\ud569\ub2c8\ub2e4. \uc2e4\uc81c \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc774\ub7ec\ud55c \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud568\uc73c\ub85c\uc368 \ucf54\ub4dc\uc758 \uad6c\uc870\ub97c \uac1c\uc120\ud558\uace0, \uac1c\ubc1c \uc0dd\uc0b0\uc131\uc744 \ub192\uc774\ub294 \ub370
\n        \uae30\uc5ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. C#\uc744 \uc0ac\uc6a9\ud558\ub294 \ubaa8\ub4e0 \uac1c\ubc1c\uc790\ub4e4\uc5d0\uac8c \uc774\ub7ec\ud55c \uae30\ub2a5\ub4e4\uc744 \uc801\uadf9\uc801\uc73c\ub85c \ud65c\uc6a9\ud574 \ubcf4\uae30\ub97c \uad8c\uc7a5\ud569\ub2c8\ub2e4.\n    <\/p>\n
\ucc38\uace0 \uc790\ub8cc<\/h2>\n