{"id":236830,"date":"2020-12-31T10:42:32","date_gmt":"2020-12-31T02:42:32","guid":{"rendered":"http:\/\/4563.org\/?p=236830"},"modified":"2020-12-31T10:42:32","modified_gmt":"2020-12-31T02:42:32","slug":"%e6%9c%89%e4%b8%aa-c%e6%a8%a1%e7%89%88%e9%97%ae%e9%a2%98%e6%83%b3%e8%af%b7%e6%95%99%e5%a4%a7%e5%ae%b6","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=236830","title":{"rendered":"\u6709\u4e2a C++\u6a21\u7248\u95ee\u9898\u60f3\u8bf7\u6559\u5927\u5bb6"},"content":{"rendered":"
\n
\n
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\u6709\u4e2a C++\u6a21\u7248\u95ee\u9898\u60f3\u8bf7\u6559\u5927\u5bb6 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : guozozo <\/span> <\/i> 7<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\u73b0\u6709\u4e00\u4e2a\u6a21\u7248\uff0c\u5982\u4e0b\uff1a
template<class T1, class T2>
class X
{
\/\/some function
\/\/\u6784\u9020\u51fd\u6570 1
\/\/\u6784\u9020\u51fd\u6570 2
\/\/\u6784\u9020\u51fd\u6570 3
\/\/\u51fd\u6570 1
\/\/\u51fd\u6570 2
\/\/\u51fd\u6570 3
protected:
\/\/\u6210\u5458\u53d8\u91cf\uff1a \u4e0e T1\uff0cT2 \u5747\u76f8\u5173
}<\/p>\n

\u73b0\u5728\u6709\u8fd9\u6837\u7684\u9700\u6c42\uff1a
\u5f53 T2 == A \u65f6\uff0c \u6267\u884c\u6784\u9020\u51fd\u6570 1\uff0c\u6784\u9020\u51fd\u6570 2\uff0c \u51fd\u6570 1\uff0c \u51fd\u6570 2\uff0c \u7981\u6b62\u6267\u884c\u6784\u9020\u51fd\u6570 3\uff0c \u51fd\u6570 3.
\u5f53 T2 == B \u65f6\uff0c \u6267\u884c\u6784\u9020\u51fd\u6570 1\uff0c\u6784\u9020\u51fd\u6570 3\uff0c \u51fd\u6570 1\uff0c \u51fd\u6570 3\uff0c \u7981\u6b62\u6267\u884c\u6784\u9020\u51fd\u6570 2\uff0c \u51fd\u6570 2.<\/p>\n

\u5f53\u524d\u73af\u5883\u53ea\u652f\u6301\u5230 C++11 <\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (3<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : wutiantong <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    Partial template specialization \u504f\u7279\u5316 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : kirigaya <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u4e2a\u8981\u4f7f\u7528 std::enable_if \u6765\u505a SFINAE \u3002
    \u770b\u4e00\u4e0b\u8fd9\u4e2a\u5427 https:\/\/stackoverflow.com\/questions\/46294229\/stdenable-if-with-stdis-same-refuses-to-compile <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : guozozo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @wutiantong #1 @kirigaya #2 \u8c22\u8c22 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u6709\u4e2a C++\u6a21\u7248\u95ee\u9898\u60f3\u8bf7\u6559\u5927\u5bb6 \u8cc7…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/236830"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=236830"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/236830\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=236830"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=236830"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=236830"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}