{"id":184,"date":"2014-04-13T05:19:41","date_gmt":"2014-04-12T21:19:41","guid":{"rendered":"https:\/\/gyf.blog.ustc.edu.cn\/?p=184"},"modified":"2014-04-13T05:19:41","modified_gmt":"2014-04-12T21:19:41","slug":"c11%e7%89%b9%e6%80%a7%e4%b9%8b%e4%b8%80-%e6%a8%a1%e6%9d%bf1-%e6%a8%a1%e6%9d%bf%e5%87%bd%e6%95%b0%e7%9a%84%e9%bb%98%e8%ae%a4%e6%a8%a1%e6%9d%bf%e5%8f%82%e6%95%b0","status":"publish","type":"post","link":"https:\/\/blog.yfgao.com\/zh\/2014\/04\/13\/c11%e7%89%b9%e6%80%a7%e4%b9%8b%e4%b8%80-%e6%a8%a1%e6%9d%bf1-%e6%a8%a1%e6%9d%bf%e5%87%bd%e6%95%b0%e7%9a%84%e9%bb%98%e8%ae%a4%e6%a8%a1%e6%9d%bf%e5%8f%82%e6%95%b0\/","title":{"rendered":"c++11\u7279\u6027\u4e4b\u4e00 \u6a21\u677f(1) \u6a21\u677f\u51fd\u6570\u7684\u9ed8\u8ba4\u6a21\u677f\u53c2\u6570"},"content":{"rendered":"

c++11\u7279\u6027\u4e4b\u4e00 \u6a21\u677f(1) \u6a21\u677f\u51fd\u6570\u7684\u9ed8\u8ba4\u6a21\u677f\u53c2\u6570<\/h1>\n

\u5728c++98\u4e2d\uff0c\u7531\u4e8e\u5b9e\u73b0\u7684\u95ee\u9898\uff0c\u7f16\u8bd1\u5668\u4e0d\u652f\u6301\u6a21\u677f\u51fd\u6570\u7684\u7c7b\u578b\u53c2\u6570\u5e26\u9ed8\u8ba4\u503c\u3002\u8fd9\u4e00\u7279\u6027\u5728c++11\u4e2d\u5f97\u5230\u652f\u6301\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u5f15\u5165<\/h2>\n

\u8bf7\u770b\u5982\u4e0b\u4f8b\u5b50\uff1a<\/p>\n

template<typename T>\nvoid fun(T val = 0){\n    cout<<val;\n}\n\nint main(){\n    fun(1);\/\/\u7f16\u8bd1\u901a\u8fc7\n    fun();\/\/\u7f16\u8bd1\u5931\u8d25\n}\n<\/code><\/pre>\n
\u53ef\u4ee5\u770b\u5230\uff0c\u5728main\u51fd\u6570\u4e2d\u5b9e\u4f8b\u5316fun()\u51fd\u6570\u65f6\uff0c\u7531\u4e8e\u7f16\u8bd1\u5668\u65e0\u6cd5\u63a8\u5bfc\u51faT\u7684\u7c7b\u578b\uff0c\u5bfc\u81f4\u4fbf\u4ee5\u5931\u8d25\u3002\u56e0\u6b64\uff0c\u5728c++11\u4e2d\u4e3a\u4e86\u89e3\u51b3\u8fd9\u7c7b\u95ee\u9898\uff0c\u4e3a\u6a21\u677f\u51fd\u6570\u7684\u6a21\u677f\u53c2\u6570\u589e\u52a0\u4e86\u9ed8\u8ba4\u503c\u529f\u80fd\uff0c\u4f7f\u7f16\u8bd1\u5668\u5728\u65e0\u6cd5\u63a8\u5bfc\u7c7b\u578b\u65f6\uff0c\u4e5f\u80fd\u6b63\u5e38\u7f16\u8bd1\u3002<\/p>\n
P.S.\u7f16\u8bd1\u5668\u4ec5\u6839\u636e\u5b9e\u53c2\u63a8\u5bfc\u7c7b\u578b\uff0c\u4e0d\u4f1a\u6839\u636e\u5f62\u53c2\u9ed8\u8ba4\u503c\u63a8\u5bfc\uff01<\/p>\n
\u5982\u4f55\u4f7f\u7528<\/h2>\n
template<typename T=int>\nvoid fun(T val = 0){\n    cout<<val;\n}\n<\/code><\/pre>\n
\u8fd9\u6837\u4e00\u6765\uff0c\u7f16\u8bd1\u5668\u5c31\u4f1a\u5728\u65e0\u6cd5\u63a8\u5bfc\u7c7b\u578b\u65f6\uff0c\u4f7f\u7528int\u7c7b\u578b\u4f5c\u4e3a\u6a21\u677f\u5b9e\u4f8b\u7c7b\u578b\u3002<\/p>\n
\u6a21\u677f\u7c7b\u578b\u63a8\u5bfc\u89c4\u5219<\/h2>\n
\u4f18\u5148\u7ea7\u7531\u9ad8\u5230\u4f4e\uff1a<\/p>\n
    \n
  1. \u663e\u5f0f\u6307\u5b9a\u7c7b\u578b \uff0c\u5982fun(10);<\/li>\n
  2. \u63a8\u5bfc\u7c7b\u578b\uff0c\u5982fun(3.14);  \u7f16\u8bd1\u5668\u5c06\u63a8\u5bfc\u51fafloat\u7c7b\u578b\u3002<\/li>\n
  3. \u6a21\u677f\u53c2\u6570\u9ed8\u8ba4\u503c\uff0c\u5982fun();  \u4e0a\u4f8b\u4e2d\u9ed8\u8ba4\u4e3aint\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
    c++11\u7279\u6027\u4e4b\u4e00 \u6a21\u677f(1) \u6a21\u677f\u51fd\u6570\u7684\u9ed8\u8ba4\u6a21\u677f\u53c2\u6570 \u5728c++98\u4e2d\uff0c\u7531\u4e8e\u5b9e\u73b0\u7684\u95ee\u9898\uff0c\u7f16\u8bd1\u5668\u4e0d\u652f\u6301\u6a21\u677f\u51fd\u6570\u7684 … \u7ee7\u7eed\u9605\u8bfbc++11\u7279\u6027\u4e4b\u4e00 \u6a21\u677f(1)  \u6a21\u677f\u51fd\u6570\u7684\u9ed8\u8ba4\u6a21\u677f\u53c2\u6570<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-184","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"translation":{"provider":"WPGlobus","version":"2.12.2","language":"zh","enabled_languages":["en","zh"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"zh":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/blog.yfgao.com\/zh\/wp-json\/wp\/v2\/posts\/184"}],"collection":[{"href":"https:\/\/blog.yfgao.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.yfgao.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.yfgao.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.yfgao.com\/zh\/wp-json\/wp\/v2\/comments?post=184"}],"version-history":[{"count":0,"href":"https:\/\/blog.yfgao.com\/zh\/wp-json\/wp\/v2\/posts\/184\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.yfgao.com\/zh\/wp-json\/wp\/v2\/media?parent=184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.yfgao.com\/zh\/wp-json\/wp\/v2\/categories?post=184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.yfgao.com\/zh\/wp-json\/wp\/v2\/tags?post=184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}