{"id":424,"date":"2026-05-05T14:35:10","date_gmt":"2026-05-05T05:35:10","guid":{"rendered":"https:\/\/www.zeronana.net\/?p=424"},"modified":"2026-05-06T15:44:30","modified_gmt":"2026-05-06T06:44:30","slug":"%e3%80%90%e5%88%9d%e5%bf%83%e8%80%85%e5%90%91%e3%81%91%e3%80%91go%e8%a8%80%e8%aa%9e%e3%81%aeif%e6%96%87%ef%bc%88%e6%9d%a1%e4%bb%b6%e5%88%86%e5%b2%90%ef%bc%89%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.zeronana.net\/?p=424","title":{"rendered":"\u3010\u521d\u5fc3\u8005\u5411\u3051\u3011Go\u8a00\u8a9e\u306eif\u6587\uff08\u6761\u4ef6\u5206\u5c90\uff09\u306e\u4f7f\u3044\u65b9\uff5c\u57fa\u790e\u304b\u3089\u5b8c\u5168\u7406\u89e3"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>Go\u8a00\u8a9e\u3092\u5b66\u3073\u59cb\u3081\u305f\u3089\u3001\u5fc5\u305a\u899a\u3048\u308b\u3079\u304d\u306a\u306e\u304c\u300cif\u6587\uff08\u6761\u4ef6\u5206\u5c90\uff09\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u300c\u6761\u4ef6\u306b\u3088\u3063\u3066\u51e6\u7406\u3092\u5909\u3048\u305f\u3044\u300d<br>\u305d\u3093\u306a\u3068\u304d\u306b\u4f7f\u3046\u306e\u304cif\u6587\u3067\u3059\u3002<\/p>\n\n\n\n<p>\ud83d\udc49 \u672c\u8a18\u4e8b\u3067\u306f\u3001<strong>Go\u8a00\u8a9e\u306eif\u6587\u306e\u4f7f\u3044\u65b9\u3092\u521d\u5fc3\u8005\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac<\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">if\u6587\u3068\u306f\uff1f\uff08\u8d85\u91cd\u8981\uff09<\/h2>\n\n\n\n<p>if\u6587\u3068\u306f\u3001\u6761\u4ef6\u306b\u3088\u3063\u3066\u51e6\u7406\u3092\u5206\u3051\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\ud83d\udc47<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>20\u6b73\u4ee5\u4e0a \u2192 \u6210\u4eba<\/li>\n\n\n\n<li>\u305d\u308c\u4ee5\u5916 \u2192 \u672a\u6210\u5e74<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 \u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5224\u65ad\u306b\u5fc5\u9808\u306e\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Go\u8a00\u8a9e\u306eif\u6587\u306e\u57fa\u672c\u69cb\u6587<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>if \u6761\u4ef6 {<br>    \u51e6\u7406<br>}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b5\u30f3\u30d7\u30eb<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>age := 20<br><br>if age &gt;= 20 {<br>    fmt.Println(\"\u6210\u4eba\u3067\u3059\")<br>}<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 \u6761\u4ef6\u304c\u300ctrue\u300d\u306e\u3068\u304d\u3060\u3051\u5b9f\u884c\u3055\u308c\u307e\u3059<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Go\u306eif\u6587\u306e\u7279\u5fb4\uff08\u91cd\u8981\u30dd\u30a4\u30f3\u30c8\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 \u62ec\u5f27\uff08\uff09\u304c\u4e0d\u8981<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ NG<br>if (age &gt;= 20) {}<br><br>\/\/ OK<br>if age &gt;= 20 {}<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 \u6ce2\u62ec\u5f27\u306f\u5fc5\u9808<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>if age &gt;= 20 {<br>    fmt.Println(\"OK\")<br>}<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 \u3053\u308c\u306f\u4ed6\u8a00\u8a9e\u3068\u9055\u3046\u30dd\u30a4\u30f3\u30c8\u3067\u3059<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">else\u6587\uff08\u305d\u308c\u4ee5\u5916\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>if age &gt;= 20 {<br>    fmt.Println(\"\u6210\u4eba\u3067\u3059\")<br>} else {<br>    fmt.Println(\"\u672a\u6210\u5e74\u3067\u3059\")<br>}<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 \u6761\u4ef6\u306b\u5f53\u3066\u306f\u307e\u3089\u306a\u3044\u5834\u5408\u306e\u51e6\u7406<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">else if\uff08\u8907\u6570\u6761\u4ef6\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>score := 85<br><br>if score &gt;= 90 {<br>    fmt.Println(\"A\")<br>} else if score &gt;= 70 {<br>    fmt.Println(\"B\")<br>} else {<br>    fmt.Println(\"C\")<br>}<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 \u6761\u4ef6\u3092\u6bb5\u968e\u7684\u306b\u5206\u3051\u3089\u308c\u308b<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">if\u6587\u306e\u5fdc\u7528\u2460\uff1a\u77ed\u3044\u5909\u6570\u5ba3\u8a00<\/h2>\n\n\n\n<p>Go\u7279\u6709\u306e\u66f8\u304d\u65b9\ud83d\udc47<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>if x := 10; x &gt; 5 {<br>    fmt.Println(\"\u5927\u304d\u3044\")<br>}<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 if\u6587\u306e\u4e2d\u3067\u5909\u6570\u3092\u5ba3\u8a00\u3067\u304d\u308b<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">if\u6587\u306e\u5fdc\u7528\u2461\uff1a\u8ad6\u7406\u6f14\u7b97\u5b50<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>age := 25<br>isMember := true<br><br>if age &gt;= 20 &amp;&amp; isMember {<br>    fmt.Println(\"\u5229\u7528\u53ef\u80fd\")<br>}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u3088\u304f\u4f7f\u3046\u8a18\u53f7<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&amp;&amp;\uff08AND\uff09<\/li>\n\n\n\n<li>||\uff08OR\uff09<\/li>\n\n\n\n<li>!\uff08NOT\uff09<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 \u6761\u4ef6\u3092\u7d44\u307f\u5408\u308f\u305b\u3089\u308c\u308b<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u521d\u5fc3\u8005\u304c\u3064\u307e\u305a\u304f\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u274c \u6ce2\u62ec\u5f27\u306e\u4f4d\u7f6e\u30df\u30b9<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>if age &gt;= 20<br>{<br>    \/\/ NG<br>}<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 <code>{<\/code>\u306f\u540c\u3058\u884c\u306b\u66f8\u304f<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u274c \u578b\u30df\u30b9<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>age := \"20\" \u2190 \u6587\u5b57\u5217<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 \u6570\u5024\u6bd4\u8f03\u3067\u304d\u306a\u3044\u306e\u3067\u6ce8\u610f<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u274c = \u3068 == \u306e\u9055\u3044<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>if age == 20 \/\/ \u6bd4\u8f03<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 <code>=<\/code>\u306f\u4ee3\u5165\u3001<code>==<\/code>\u306f\u6bd4\u8f03<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u8df5\u30b5\u30f3\u30d7\u30eb\uff08\u7406\u89e3\u3092\u6df1\u3081\u308b\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>package main<br><br>import \"fmt\"<br><br>func main() {<br>    age := 18<br><br>    if age &gt;= 20 {<br>        fmt.Println(\"\u6210\u4eba\")<br>    } else {<br>        fmt.Println(\"\u672a\u6210\u5e74\")<br>    }<br>}<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 \u5b9f\u969b\u306b\u52d5\u304b\u3059\u306e\u304c\u6700\u77ed\u7406\u89e3\u30eb\u30fc\u30c8<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u52b9\u7387\u7684\u306a\u5b66\u7fd2\u65b9\u6cd5<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c0f\u3055\u306a\u6761\u4ef6\u3092\u4f5c\u308b<\/li>\n\n\n\n<li>\u4f55\u5ea6\u3082\u8a66\u3059<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u3092\u7d4c\u9a13\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 \u6761\u4ef6\u5206\u5c90\u306f\u300c\u6163\u308c\u300d\u304c\u91cd\u8981<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081\uff5cif\u6587\u306f\u6700\u91cd\u8981\u30b9\u30ad\u30eb<\/h2>\n\n\n\n<p>Go\u8a00\u8a9e\u306eif\u6587\u306f\ud83d\udc47<\/p>\n\n\n\n<p>\u2714 \u6761\u4ef6\u3067\u51e6\u7406\u3092\u5206\u3051\u308b<br>\u2714 else\u3067\u88dc\u5b8c<br>\u2714 else if\u3067\u8907\u6570\u5206\u5c90<\/p>\n\n\n\n<p>\ud83d\udc49 \u3053\u308c\u3060\u3051\u899a\u3048\u308c\u3070OK<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b Go\u8a00\u8a9e\u3092\u5b66\u3073\u59cb\u3081\u305f\u3089\u3001\u5fc5\u305a\u899a\u3048\u308b\u3079\u304d\u306a\u306e\u304c\u300cif\u6587\uff08\u6761\u4ef6\u5206\u5c90\uff09\u300d\u3067\u3059\u3002 \u300c\u6761\u4ef6\u306b\u3088\u3063\u3066\u51e6\u7406\u3092\u5909\u3048\u305f\u3044\u300d\u305d\u3093\u306a\u3068\u304d\u306b\u4f7f\u3046\u306e\u304cif\u6587 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":425,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_seo_schema_type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[6,7],"class_list":["post-424","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-go","tag-go-2","tag-go"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.zeronana.net\/wp-content\/uploads\/2026\/05\/GOIF.png","_links":{"self":[{"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/posts\/424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=424"}],"version-history":[{"count":1,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/posts\/424\/revisions"}],"predecessor-version":[{"id":426,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/posts\/424\/revisions\/426"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/media\/425"}],"wp:attachment":[{"href":"https:\/\/www.zeronana.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}