{"id":501,"date":"2009-08-23T18:17:26","date_gmt":"2009-08-23T09:17:26","guid":{"rendered":"http:\/\/mk.miko.jp\/blog\/?p=501"},"modified":"2011-03-05T13:49:12","modified_gmt":"2011-03-05T04:49:12","slug":"%e5%9e%8b%e5%a4%89%e6%8f%9b%e5%9b%9e%e9%81%bf%e3%82%b3%e3%83%bc%e3%83%89%e3%81%8c%e7%84%a1%e9%a7%84%e3%81%ab%e8%82%a5%e5%a4%a7%e5%8c%96%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"http:\/\/mk.miko.jp\/blog\/archives\/501","title":{"rendered":"\u578b\u5909\u63db\u56de\u907f\u30b3\u30fc\u30c9\u304c\u7121\u99c4\u306b\u80a5\u5927\u5316\u3059\u308b"},"content":{"rendered":"<p>\u3000enable_if\u304c\u4f7f\u3048\u3066\u52a9\u304b\u3063\u305f\u30fc\u3001\u3068\u601d\u3063\u305f\u3093\u3060\u304c\u3001long long\u306b\u5bfe\u5fdc\u3057\u306a\u304d\u3083\u306a\u3089\u306a\u304f\u306a\u3063\u305f\u3002\u3084\u3079\u3048\u3002<br \/>\n\u3000type traits\u306b\u306f\u578b\u306e\u30b5\u30a4\u30ba\u3068\u304b\u898b\u5f53\u305f\u3089\u306a\u3044\u3088\u306a\u2026\u3002\u3080\u30fc\u3093\u3002boost::mpl\u306b\u306f\u7121\u3044\u3093\u304b\u306a\u3002\u3042\u3063\u305f\u3002sizeof_\u3068\u304b\u3044\u3046\u602a\u3057\u3052\u306a\u7269\u304c\u3002\u3064\u30fc\u304b\u4f55\u3082\u304b\u3082\u5168\u90e8\u304c\u602a\u3057\u3052\u3060\uff08\u7b11\uff09\u3002<br \/>\n\u3000\u3058\u3083\u8a66\u3057\u306b\u5224\u5225\u7528\u306e\u95a2\u6570\u3092\u66f8\u304f\u304b\u3002\u3044\u3084\u30e1\u30bf\u95a2\u6570\u304b\u3002<\/p>\n<pre class=\"brush:cpp\">template &lt;typename T&gt;\r\nstruct is_64bit : mpl::equal_to&lt; mpl::sizeof_&lt;T&gt;, mpl::size_t&lt;8&gt; &gt; {};\r\ntemplate &lt;typename T&gt;\r\nstruct is_signed_64bit : mpl::and_&lt; is_signed&lt;T&gt;, is_64bit&lt;T&gt; &gt; {};<\/pre>\n<p>\u3000\u3055\u3042\u3001\u3069\u3093\u3069\u3093\u5909\u306a\u546a\u6587\u3063\u307d\u304f\u306a\u3063\u3066\u304d\u307e\u3057\u305f\u3002<br \/>\n\u3000\u3069\u3046\u305b\u3060\u304b\u3089int8_t\u304b\u3089uint64_t\u307e\u3067\u5168\u90e8\u66f8\u3044\u3061\u3083\u304a\u3046\u305c\u30fc\u3002\u3067\u3001union\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30f3\u30d0\u95a2\u6570\u3067\u5168\u90e8enable_if\u3067\u4e2d\u8eab\u66f8\u304d\u5206\u3051\u3066\u3001\u3068\u2026\u3002<\/p>\n<p>\u3000\u3044\u3084\u3001\u5b8c\u6210\u306f\u3057\u305f\u3057\u3001\u4e00\u898b\u3061\u3083\u3093\u3068\u52d5\u3044\u3066\u308b\u3093\u3067\u3059\u304c\u3002\u3053\u3046\u3044\u3046\u6642\u3063\u3066\u5927\u62b5\u4f55\u304b\u9593\u9055\u3063\u3066\u308b\u6c17\u304c\u3059\u308b\u3093\u3060\u3088\u306a\u3042\u3002\u5999\u306b\u529b\u304c\u5165\u3063\u3066\u308b\u611f\u3058\u3063\u3064\u30fc\u304b\u3002\u8996\u70b9\u3092\u5909\u3048\u308b\u3068\u3082\u3063\u3068\u304a\u6c17\u697d\u306a\u624b\u6cd5\u3067\u7d42\u308f\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u307e\u3042\u4f8b\u5916\u3082\u3042\u308b\u3051\u3069\u3002<br \/>\n\u3000\u3067\u3082\u3001Boost\u3082\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3082intrinsics\u3082\u7121\u3044\u3068\u3057\u305f\u3089\u3001\u73fe\u72b6\u306e\u4ed6\u306e\u30b3\u30fc\u30c9\u3082\u8272\u3005\u3068\u5909\u306a\u546a\u6587\u306e\u584a\u306b\u306a\u308a\u305d\u3046\u3060\u3057\u306a\u3042\u2026\u3002\u3053\u3093\u306a\u3082\u3093\u306a\u306e\u304b\u3082\u3002<br \/>\n\u3000\u307e\u3042\u3001\u4e00\u4eba\u3067\u3084\u308b\u30b3\u30fc\u30c9\u3060\u304b\u3089\u9ed2\u9b54\u8853\u3067\u3082\u4f55\u3067\u3082\u3044\u3044\u3093\u3060\u3051\u3069\u3002\u3080\u3057\u308d\u3001\u4f3c\u305f\u3088\u3046\u306a\u30b3\u30fc\u30c9\u306e\u30b3\u30d4\u30da\u304c\u5927\u91cf\u306b\u767a\u751f\u3057\u305f\u3093\u3067\u6c17\u6301\u3061\u60aa\u3044\u3001\u3064\u30fc\u8a71\u304b\u3082\u3002\u3067\u3082union\u3067\u578b\u5909\u63db\u907f\u3051\u308b\u3068\u3069\u3046\u3057\u3066\u3082\u305d\u3046\u306a\u308b\u6c17\u304c\u3059\u308b\u3093\u3060\u3088\u306a\u3002<br \/>\n\u3000\u30dd\u30a4\u30f3\u30bf\u901a\u3057\u3066\u578b\u3092\u6f70\u3059\u5974\u306f\u3001\u30b5\u30a4\u30ba\u304c\u9055\u3046\u3068\u5371\u306a\u3044\u3057\u306a\u3042\u2026\u3002\u307e\u30fc\u5c11\u306a\u304f\u3068\u3082\u73fe\u72b6\u3067\u3082\u5168\u304f\u52b9\u7387\u60aa\u304f\u306a\u3044\u3057\u3044\u3044\u3093\u3058\u3083\u306d\u3002\u30b3\u30d4\u30da\u307f\u305f\u3044\u306a\u30bd\u30fc\u30b9\u304c\u6570\u5341\u884c\u3042\u308b\u306e\u304c\u3046\u3056\u3044\u3051\u3069\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3000enable_if\u304c\u4f7f\u3048\u3066\u52a9\u304b\u3063\u305f\u30fc\u3001\u3068\u601d\u3063\u305f\u3093\u3060\u304c\u3001long long\u306b\u5bfe\u5fdc\u3057\u306a\u304d\u3083\u306a\u3089\u306a\u304f\u306a\u3063\u305f\u3002\u3084\u3079\u3048\u3002 \u3000type traits\u306b\u306f\u578b\u306e\u30b5\u30a4\u30ba\u3068\u304b\u898b\u5f53\u305f\u3089\u306a\u3044\u3088\u306a\u2026\u3002\u3080\u30fc\u3093\u3002boost::mpl\u306b\u306f\u7121\u3044\u3093\u304b\u306a\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"http:\/\/mk.miko.jp\/blog\/wp-json\/wp\/v2\/posts\/501"}],"collection":[{"href":"http:\/\/mk.miko.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/mk.miko.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/mk.miko.jp\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/mk.miko.jp\/blog\/wp-json\/wp\/v2\/comments?post=501"}],"version-history":[{"count":0,"href":"http:\/\/mk.miko.jp\/blog\/wp-json\/wp\/v2\/posts\/501\/revisions"}],"wp:attachment":[{"href":"http:\/\/mk.miko.jp\/blog\/wp-json\/wp\/v2\/media?parent=501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mk.miko.jp\/blog\/wp-json\/wp\/v2\/categories?post=501"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mk.miko.jp\/blog\/wp-json\/wp\/v2\/tags?post=501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}