{"id":363,"date":"2021-09-17T15:23:07","date_gmt":"1970-01-01T00:00:00","guid":{"rendered":"http:\/\/swift.tecc0.com\/?p=363"},"modified":"2021-09-17T15:23:07","modified_gmt":"1970-01-01T00:00:00","slug":"post-363","status":"publish","type":"post","link":"https:\/\/swift.tecc0.com\/?p=363","title":{"rendered":"Swift\u3067switch\u6587(case)\u3092\u4f7f\u3046\u65b9\u6cd5 &#8211; \u5fdc\u7528\u7de8(\u7bc4\u56f2, fallthrough, \u30bf\u30d7\u30eb)"},"content":{"rendered":"<p>\u8aad\u3093\u3067\u306a\u3044\u4eba\u306f\u3001<a href=\"https:\/\/swift.tecc0.com\/?p=361\">Swift\u3067switch\u3092\u4f7f\u3046\u57fa\u672c\u7de8<\/a>\u304b\u3089\u8aad\u3082\u3046\u3002<\/p>\n<p>\u3082\u3046\u3061\u3087\u3063\u3068\u5fdc\u7528\u3057\u305fswitch\u306e\u4f7f\u3044\u65b9\u3092\u7d39\u4ecb\u3059\u308b\u3088\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>Swift\u306eswitch\u3067\u7bc4\u56f2\u6307\u5b9a, fallthrough\u3092\u4f7f\u3046<\/h3>\n<pre class=\"lang:swift decode:true\">let num = 4\r\n\r\nvar result: String = \"num\u306f\"\r\nswitch num {\r\n    case 1...3:\r\n        print(\"1\u4ee5\u4e0a3\u4ee5\u4e0b\u3060\u3088\")\r\n    case 1..&lt;4:\r\n        print(\"1\u4ee5\u4e0a4\u672a\u6e80\u3060\u3088\")\r\n    case 4:\r\n        result += \"4\"\r\n        fallthrough\r\n    default:\r\n        result += \"\u3060\u3088\"\r\n}\r\nprint(result) \/\/ \"num\u306f4\u3060\u3088\"<\/pre>\n<p>\u307e\u305a\u3001<strong>\u7bc4\u56f2\u6307\u5b9a(range)<\/strong>\u304c\u4f7f\u3048\u308b\u3088\u3002<\/p>\n<ul>\n<li>\u50241&#8230;\u50242\u3067 -&gt; \u50241 \u4ee5\u4e0a \u50242\u4ee5\u4e0b \u306e\u7bc4\u56f2\u3067\u7d5e\u308c\u308b<\/li>\n<li>\u50241..&lt;\u50242\u3067 -&gt; \u50241 \u4ee5\u4e0a \u50242\u672a\u6e80 \u306e\u7bc4\u56f2\u3067\u7d5e\u308c\u308b<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>\u307e\u305f\u3001Java\u3068\u304b\u3067break\u3067\u6b62\u3081\u306a\u3044\u3068\u51e6\u7406\u304c\u4e0b\u306b\u6d41\u308c\u3066\u3044\u305f\u3093\u3060\u3051\u3069\u3001\u305d\u308c\u3068\u306f\u9006\u3067\u51e6\u7406\u3092\u4e0b\u306b\u6d41\u3059\u306b\u306f\u00a0<strong>fallthrough<\/strong> \u3092\u66f8\u3044\u3066\u3042\u3052\u308b\u5fc5\u8981\u304c\u3042\u308b\u3088\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4eca\u56de\u306e\u30d1\u30bf\u30fc\u30f3\u3067\u306f case4: \u306b\u4e00\u81f4\u3057\u305f\u5f8c\u3001fallthrough\u304c\u3042\u308b\u306e\u3067\u3001default\u7bc0\u3082\u5b9f\u884c\u3057\u3066\u3044\u308b\u3088\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>Swift\u306eswitch\u3067\u30bf\u30d7\u30eb\u3092\u4f7f\u3046<\/h3>\n<pre class=\"lang:swift decode:true  \">let numTuple = (4, 13)\r\n\r\nswitch (numTuple) {\r\n    case (0, 0):\r\n        break\r\n    case (4, 13):\r\n        print(\"\u7e01\u8d77\u306e\u60aa\u3044\u6570\u5b57\u3060\u3088\")\r\n    default:\r\n        print(\"\u4e00\u81f4\u3057\u306a\u304b\u3063\u305f\u3088\")\r\n}\r\n\/\/ \"\u7e01\u8d77\u306e\u60aa\u3044\u6570\u5b57\u3060\u3088\"<\/pre>\n<p>\u3053\u3093\u306a\u611f\u3058\u3067\u30bf\u30d7\u30eb\u3067\u3082\u4f7f\u3048\u308b\u3088\u3002<\/p>\n<p>\u30bf\u30d7\u30eb\u3068\u306f\u306a\u3093\u305e\u3084\uff1f\u3068\u3044\u3046\u4eba\u306f\u3001<a href=\"https:\/\/swift.tecc0.com\/?p=102\">\u30bf\u30d7\u30eb\u306e\u8a18\u4e8b<\/a>\u3092\u898b\u3088\u3046\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4>\u304a\u307e\u3051: switch\u3067\u30bf\u30d7\u30eb\u3068\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3092\u4f7f\u3046<\/h4>\n<pre class=\"lang:swift decode:true \">let numTuple = (4, 13)\r\n\r\nswitch (numTuple) {\r\n    case (0, 0):\r\n        break\r\n    case (_, 13):\r\n        print(\"2\u3064\u3081\u304c13\u3060\u3088\")\r\n    case (4, _):\r\n        print(\"1\u3064\u3081\u304c4\u3060\u3088\")\r\n    default:\r\n        print(\"\u4e00\u81f4\u3057\u306a\u304b\u3063\u305f\u3088\")\r\n}\r\n\/\/ \"2\u3064\u3081\u304c13\u3060\u3088\"<\/pre>\n<p>\u3053\u3093\u306a\u611f\u3058\u3067\u30bf\u30d7\u30eb\u306e\u4e00\u90e8\u306b\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9( _ )\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u90e8\u5206\u3092\u7121\u8996\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3002<\/p>\n<p>\u540c\u3058\u304f\u3001\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3068\u306f\u306a\u3093\u305e\u3084\uff1f\u3068\u3044\u3046\u4eba\u306f\u3001<a href=\"https:\/\/swift.tecc0.com\/?p=336\">\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u306e\u8a18\u4e8b<\/a>\u3092\u898b\u3088\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8aad\u3093\u3067\u306a\u3044\u4eba\u306f\u3001Swift\u3067switch\u3092\u4f7f\u3046\u57fa\u672c\u7de8\u304b\u3089\u8aad\u3082\u3046\u3002 \u3082\u3046\u3061\u3087\u3063\u3068\u5fdc\u7528\u3057\u305fswitch\u306e\u4f7f\u3044\u65b9\u3092\u7d39\u4ecb\u3059\u308b\u3088\u3002 &nbsp; Swift\u306eswitch\u3067\u7bc4\u56f2\u6307\u5b9a, fallthrough\u3092\u4f7f\u3046 let num &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/363"}],"collection":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=363"}],"version-history":[{"count":5,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/363\/revisions"}],"predecessor-version":[{"id":372,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/363\/revisions\/372"}],"wp:attachment":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}