{"published":"2023-09-26 00:22:08","categories":["\u6280\u8853","scala"],"width":"100%","author_url":"https://blog.hatena.ne.jp/Windymelt/","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.3qe.us%2Fentry%2F2023%2F09%2F26%2F002208\" title=\"Scala\u306eCats\u306bifM\u3068\u3044\u3046\u4fbf\u5229\u306a\u3084\u3064\u304c\u3042\u308b - Lambda\u30ab\u30af\u30c6\u30eb\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"description":"Scala\u306eCats\u306bifM\u3068\u3044\u3046\u4fbf\u5229\u306a\u3084\u3064\u304c\u3042\u308b\u3002IO[Boolean]\u306b\u5bfe\u3057\u3066\u6761\u4ef6\u5206\u5c90\u3092\u9069\u7528\u3057\u3066\u3001true\u306e\u5834\u5408\u3068false\u306e\u5834\u5408\u3068\u3067\u7570\u306a\u308bIO\u3092\u8fd4\u3059\u3068\u3044\u3046\u3082\u306e\u3002\u5225\u306bIO\u3067\u306a\u304f\u3068\u3082\u826f\u304f\u3066\u3001Monad\u306a\u3069\u306e\u4ef2\u9593\u3067\u3042\u308c\u3070ifM\u306f\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3002\u4f8b\u3048\u3070Option[Boolean]\u306b\u5bfe\u3057\u3066\u3082ifM\u304c\u4f7f\u3048\u308b\u3002 http://typelevel.org/cats/api/cats/index.html?search=ifm \u3053\u306e\u3088\u3046\u306a\u30b7\u30c1\u30e5\u30a8\u30fc\u30b7\u30e7\u30f3\u304c\u3042\u308b\u3068\u304d\u306bifM\u3092\u4f7f\u3046\u3068\u30b7\u30f3\u30d7\u30eb\u306b\u306a\u308b: val condition: IO[Boolean] = ... condition.flatMap { c\u2026","provider_url":"https://hatena.blog","url":"https://blog.3qe.us/entry/2023/09/26/002208","author_name":"Windymelt","version":"1.0","type":"rich","title":"Scala\u306eCats\u306bifM\u3068\u3044\u3046\u4fbf\u5229\u306a\u3084\u3064\u304c\u3042\u308b","blog_title":"Lambda\u30ab\u30af\u30c6\u30eb","provider_name":"Hatena Blog","blog_url":"https://blog.3qe.us/"}