{"id":456,"date":"2026-05-06T08:55:13","date_gmt":"2026-05-05T23:55:13","guid":{"rendered":"https:\/\/www.zeronana.net\/?p=456"},"modified":"2026-05-06T15:42:09","modified_gmt":"2026-05-06T06:42:09","slug":"%e5%ae%9f%e5%8b%99%e5%90%91%e3%81%91%e3%80%91go-channel%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%ef%bd%9c%e4%b8%a6%e8%a1%8c%e5%87%a6%e7%90%86%e3%81%ae%e5%9f%ba%e6%9c%ac%e3%81%8b%e3%82%89%e5%bf%9c%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.zeronana.net\/?p=456","title":{"rendered":"\u5b9f\u52d9\u5411\u3051\u3011Go channel\u306e\u4f7f\u3044\u65b9\uff5c\u4e26\u884c\u51e6\u7406\u306e\u57fa\u672c\u304b\u3089\u5fdc\u7528\u307e\u3067"},"content":{"rendered":"\n<p>Go\u8a00\u8a9e\u306e\u5f37\u307f\u3068\u3044\u3048\u3070\u300c\u4e26\u884c\u51e6\u7406\u300d\u3002<br>\u305d\u306e\u4e2d\u5fc3\u3068\u306a\u308b\u306e\u304c**channel\uff08\u30c1\u30e3\u30cd\u30eb\uff09**\u3067\u3059\u3002<\/p>\n\n\n\n<p>goroutine\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001<strong>\u5b89\u5168\u304b\u3064\u52b9\u7387\u7684\u306a\u4e26\u884c\u51e6\u7406<\/strong>\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001Go\u306echannel\u306b\u3064\u3044\u3066\u300c\u4f7f\u3044\u65b9\u30fb\u4e26\u884c\u51e6\u7406\u30fb\u5b9f\u52d9\u3067\u306e\u5fdc\u7528\u300d\u3092\u89e3\u8aac\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\">channel\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>channel\u306f\u3001<strong>goroutine\u9593\u3067\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u6e21\u3059\u305f\u3081\u306e\u4ed5\u7d44\u307f<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ch := make(chan int)<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 \u30a4\u30e1\u30fc\u30b8<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>goroutine\u540c\u58eb\u306e\u300c\u901a\u4fe1\u30d1\u30a4\u30d7\u300d<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u57fa\u672c\u306e\u4f7f\u3044\u65b9\uff08\u9001\u53d7\u4fe1\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>ch := make(chan string)<br><br>\/\/ \u9001\u4fe1<br>ch &lt;- \"Hello\"<br><br>\/\/ \u53d7\u4fe1<br>msg := &lt;-ch<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>ch &lt;- \u5024<\/code> \u2192 \u9001\u4fe1<\/li>\n\n\n\n<li><code>&lt;-ch<\/code> \u2192 \u53d7\u4fe1<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">goroutine\u3068\u7d44\u307f\u5408\u308f\u305b\u308b<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>package main<br><br>import \"fmt\"<br><br>func main() {<br>    ch := make(chan string)<br><br>    go func() {<br>        ch &lt;- \"Hello Channel\"<br>    }()<br><br>    msg := &lt;-ch<br>    fmt.Println(msg)<br>}<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 goroutine\u9593\u3067\u5b89\u5168\u306b\u30c7\u30fc\u30bf\u5171\u6709<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u52d5\u4f5c\uff08\u91cd\u8981\uff09<\/h2>\n\n\n\n<p>channel\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\ud83d\udc47<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9001\u4fe1 \u2192 \u53d7\u4fe1\u3055\u308c\u308b\u307e\u3067\u5f85\u3064<\/li>\n\n\n\n<li>\u53d7\u4fe1 \u2192 \u30c7\u30fc\u30bf\u304c\u6765\u308b\u307e\u3067\u5f85\u3064<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 \u540c\u671f\u51e6\u7406\u3068\u3057\u3066\u52d5\u304f<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d0\u30c3\u30d5\u30a1\u4ed8\u304dchannel<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>ch := make(chan int, 2)<br><br>ch &lt;- 1<br>ch &lt;- 2<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 \u7279\u5fb4<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6307\u5b9a\u6570\u307e\u3067\u30d6\u30ed\u30c3\u30af\u3057\u306a\u3044<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u52d9\u3067\u306e\u4f7f\u3044\u65b9\u2460\uff1a\u4e26\u5217\u51e6\u7406<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>func worker(ch chan int) {<br>    ch &lt;- 1<br>}<br><br>func main() {<br>    ch := make(chan int)<br><br>    for i := 0; i &lt; 5; i++ {<br>        go worker(ch)<br>    }<br><br>    for i := 0; i &lt; 5; i++ {<br>        fmt.Println(&lt;-ch)<br>    }<br>}<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 \u4e26\u5217\u51e6\u7406\u306e\u57fa\u672c\u30d1\u30bf\u30fc\u30f3<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u52d9\u3067\u306e\u4f7f\u3044\u65b9\u2461\uff1a\u51e6\u7406\u5b8c\u4e86\u306e\u901a\u77e5<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>done := make(chan bool)<br><br>go func() {<br>    \/\/ \u51e6\u7406<br>    done &lt;- true<br>}()<br><br>&lt;-done<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 \u51e6\u7406\u5b8c\u4e86\u306e\u5f85\u6a5f\u306b\u4f7f\u3046<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u52d9\u3067\u306e\u4f7f\u3044\u65b9\u2462\uff1aselect\u3067\u5236\u5fa1<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>select {<br>case msg := &lt;-ch1:<br>    fmt.Println(msg)<br>case msg := &lt;-ch2:<br>    fmt.Println(msg)<br>}<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 \u8907\u6570channel\u3092\u6271\u3048\u308b<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5fdc\u7528\uff1a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u51e6\u7406<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>select {<br>case res := &lt;-ch:<br>    fmt.Println(res)<br>case &lt;-time.After(2 * time.Second):<br>    fmt.Println(\"\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\")<br>}<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 API\u958b\u767a\u3067\u3088\u304f\u4f7f\u3046<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u30df\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u274c channel\u9589\u3058\u5fd8\u308c<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>close(ch)<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 \u7d42\u4e86\u51e6\u7406\u306f\u660e\u793a\u3059\u308b<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u274c \u30c7\u30c3\u30c9\u30ed\u30c3\u30af<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>ch := make(chan int)<br>ch &lt;- 1 \/\/ \u53d7\u4fe1\u304c\u306a\u3044<\/code><\/pre>\n\n\n\n<p>\ud83d\udc49 \u30d7\u30ed\u30b0\u30e9\u30e0\u505c\u6b62\u3059\u308b<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>goroutine\u3068\u30bb\u30c3\u30c8\u3067\u4f7f\u3046<\/li>\n\n\n\n<li>close\u3067\u7d42\u4e86\u7ba1\u7406<\/li>\n\n\n\n<li>select\u3067\u5236\u5fa1<\/li>\n\n\n\n<li>\u30d0\u30c3\u30d5\u30a1\u306f\u5fc5\u8981\u306a\u3068\u304d\u3060\u3051<\/li>\n<\/ul>\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<\/h2>\n\n\n\n<p>Go channel\u306e\u30dd\u30a4\u30f3\u30c8\ud83d\udc47<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>goroutine\u9593\u306e\u901a\u4fe1\u624b\u6bb5<\/li>\n\n\n\n<li>\u4e26\u884c\u51e6\u7406\u306e\u4e2d\u6838<\/li>\n\n\n\n<li>\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u52d5\u4f5c\u3092\u7406\u89e3\u3059\u308b<\/li>\n\n\n\n<li>select\u3067\u5236\u5fa1\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udca1 \u7d50\u8ad6<\/h2>\n\n\n\n<p>\ud83d\udc49<br><strong>\u300c\u5171\u6709\u30e1\u30e2\u30ea\u3067\u306f\u306a\u304f\u3001\u901a\u4fe1\u3067\u4e26\u884c\u51e6\u7406\u3059\u308b\u300d<\/strong><\/p>\n\n\n\n<p>\u3053\u308c\u304cGo\u306e\u8a2d\u8a08\u601d\u60f3\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Go\u8a00\u8a9e\u306e\u5f37\u307f\u3068\u3044\u3048\u3070\u300c\u4e26\u884c\u51e6\u7406\u300d\u3002\u305d\u306e\u4e2d\u5fc3\u3068\u306a\u308b\u306e\u304c**channel\uff08\u30c1\u30e3\u30cd\u30eb\uff09**\u3067\u3059\u3002 goroutine\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5b89\u5168 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":454,"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-456","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\/neo.png","_links":{"self":[{"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/posts\/456","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=456"}],"version-history":[{"count":1,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/posts\/456\/revisions"}],"predecessor-version":[{"id":457,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/posts\/456\/revisions\/457"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=\/wp\/v2\/media\/454"}],"wp:attachment":[{"href":"https:\/\/www.zeronana.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zeronana.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}