ERROR:shared_ptr does not name a type

代码如图:第27行报错图片说明

报错如图图片说明

求大神解答

0

3个回答

你的share_ptr没有定义,可能是因为你的C++版本有问题。
最好直接使用boost库里的share_ptr

2
yiyi__baby
G____yiyi 的确是C++版本的问题
大约 4 年之前 回复
3
yiyi__baby
G____yiyi 打不开。。。。
大约 4 年之前 回复

用一个新一点的编译器。

0
yiyi__baby
G____yiyi 换了新的的编译器之后的确没问题了
大约 4 年之前 回复
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做了一个窗口 里面包含添加数据控件和刷新控件,其中刷新控件的clicked代码如下 (cb_1是“添加”控件,cb_4是刷新控件)rncb_1.enabled=truernrnconnect using sqlca;rndw_wxjxx.reset()rn//dw_wxjxx.settransobject(sqlca)rndw_wxjxx.retrieve()rndw_wxjxx.setfilter("")rndw_wxjxx.filter()rndw_wxjxx.scrolltorow(dw_wxjxx.rowcount())rndw_wxjxx.selectrow(0,false)rndw_wxjxx.selectrow(dw_wxjxx.rowcount(),true)rndw_wxjtjxx.retrieve(dw_wxjxx.getitemnumber(dw_wxjxx.rowcount(),"wxj_id"))rnrnrn在运行的时候弹出上面标题的文字 DataWindow column type does match GetItem type at line 12 in clicked event of object cb_4 of w_mainrnrn错误在哪里啊 各位帮帮忙 rn
error: expected a type, got 'cmp'
main.cpp:31: error: type/value mismatch at argument 3 in template parameter list for 'template class std::priority_queue'rnrnmain.cpp:31: error: expected a type, got 'cmp'rnrntemplate < class T, class Container = vector,rn class Compare = less > class priority_queue;rnrnCompare: Comparison class: A class such that the expression comp(a,b), where comp is an object of this class and a and b are elements of the container, returns true if a is to be placed earlier than b in a strict weak ordering operation. [color=#FF0000]This can either be a class implementing a function call operator or a pointer to a function. [/color]rn不是可以用函数指针吗?为什么我的程序还会出错rnrn[code=C/C++]rn#includern #includern #includern using namespace std;rn struct nodern rn// friend bool operator< (node n1, node n2)rn// rn// return n1.priority < n2.priority;rn// rn int priority;rn int value;rn ;rn//第一种是正确的rn//struct cmprn// bool operator() ( node a, node b )rn// return a.priority < b.priority;rn// rn//;rn//这种出错了rnbool cmp ( node a, node b )rnrn return a.priority < b.priority;rnrnrn int main()rn rn rnrn priority_queue, cmp> qn; ///error: expected a type, got 'cmp'rn node b[len];rn b[0].priority = 6; b[0].value = 1;rn b[1].priority = 9; b[1].value = 5;rn b[2].priority = 2; b[2].value = 3;rn b[3].priority = 8; b[3].value = 2;rn b[4].priority = 1; b[4].value = 4;rnrn for(i = 0; i < len; i++)rn qn.push(b[i]);rn cout<<"优先级"<<'\t'<<"值"<
fatal error:expect a file name!
运行任何程序都出现“fatal error:expect a file name!”是不是安装有问题还是rn其他问题?谢谢赐教,不胜感激!
Fatal error: Function name must be a string in
$pageIndex2=$_GET[('i');程序在这行报Fatal error: Function name must be a string in 谁能解决啊?
error C2653: 'ORB' : is not a class or namespace name
rn类ORB的定义在头文件feature2d.hpp中,我在orb_pattern.hpp中包含了feature2d.hpp。rnrn错误出现在头文件orb_pattern.hpp中,在int ORB::OrbPatterns::bit_pattern_31_[256*4] =这句话提示错误。rnrn我已经在orb_pattern.hpp中include了feature2d.hpp,不知道为什么还会出错呢?rn万分感谢!!!rn