针对你遇到的编译错误 error c2039: "result_of": 不是 "std" 的成员,这个问题通常与C++标准版本以及std::result_of的使用有关。下面我将根据提供的tips逐一解释并给出解决方案: 1. 确认编译器和C++标准版本 首先,你需要确认你的编译器支持的C++标准版本。std::result_of 在C++11和C++14中是可用的,但在C++...
error C2039: “ac_strlen”: 不是 “std” 的成员 vs2019编译cgal5.5出现的错误， vc14.2-x...
【error】no type named ‘type’ in ‘class std::result_of<void Q: std::thread fs_module(fs_process, prob_orig, fb_sz, line_num, probp, plabel, std::ref(confidence_level)) ; fs_module.detach(); 1. 2. A: I could compile your code successfully with MSVC2013. However, th...
using f = typename std::result_of<decltype(&foo<&bar::a>::q)(bar&)>::type; using q= typename std::result_of<decltype(&qoo<&bar::a>)(bar&)>::type; As better explained by T.C., the type in std::result_of is the type returned from a type of a callable when ca...
2./usr/include/c++/4.8/functional:1697:61: error: no type named ‘type’ in ‘class std::result_of<std::_Mem_fn<void; 各美其美,美美与共,不和他人作比较,不对他人有期待,不批判他人,不钻牛角尖。 心正意诚,做自己该做的事情,做自己喜欢做的事情,安静做一枚有思想的技术媛。
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I am trying to generify a Result that is returned by the reqwest::blocking::get function. It returns a Result<reqwest::blocking::Response, reqwest::Error> but the function it is called in returns a Result<reqwest::blocking::Response, Box<dyn std::error::Error>....
C/C++ C++ 11 std::function和std::bind用法 2019-12-19 13:39 − std::bind() std::bind 主要用于绑定生成目标函数,一般用于生成的回调函数,cocos的回退函数都是通过std::bind和std::function实现的。两个点要明白:1.绑定全局或者静态函数比绑定成员函数少... YZFHKMS-X 0 2267 No qualifying be...
/usr/include/c++/4.8/functional:1697:61: error: no type named ‘type’ in ‘class std::result_of<std::_Mem_fn<void 看的上面的错误。 之后Google 了,结合下面两个链接才解决。 https://segmentfault.com/q/1010000004413576 http://stackoverflow.com/questions/28950835/c-error-no-type-named-type...
If this script executes it gives me an error Fatal error: Cannot use object of type stdClass as array in D:\site_deploy\chat\includes\loadusers.php on line 22 Am I using json_encode and json_decode correctly? I'm pretty sure I followed whats written on php manual unde...