我不能执行,不执行;
ostream&operator>>(Mode&refMode,ostream&os)
作为链条运行
refMode.iMode>>(refMode.jMode>>os)
请让我介绍一下它的执行情况?
我不能执行,不执行;
ostream&operator>>(Mode&refMode,ostream&os)
作为链条运行
refMode.iMode>>(refMode.jMode>>os)
请让我介绍一下它的执行情况?
页: 1 Oli在其评论中说,我们operator <<
for streaming。 你们不要改变经营者通常的犹豫不决。 尽管如此,我并没有看到你的想法遇到任何其他技术障碍。 例:
#include <iostream>
class A
{
int i;
public:
A(int i = 0):i(i){}
};
std::ostream& operator>>(const A& a, std::ostream& os)
{
return os << a.i;
}
int main()
{
A a(4), b(3);
a >> (b >> std::cout);
}
但是,为什么你们想要这样做呢?
我很抱歉,但运营商和经营商都gt;以及“设计”和“设计”;他们都是联系经营人。 你可以做一些事情,例如:obj1 >> obj2 >> obj3 >>> 溪流
,并期望它适当开展工作。 在最好的情况下,你需要大量的括号:obj1 >> (obj2 >> (obj3 >> stream)
。
仅与常规合成物:
std::ostream& operator << (std::ostream& stream, const MyObject& obj)
{
stream << obj.variable1 << obj.variable2 << etc etc;
return stream;
}
可通过这一途径:<条码>流带;< obj1 << obj2 << obj3。
ostream&operator >> (const SomeClass& refToCls, stream&os)
{
refToCls.iVar>>os;
return os;
}
我告诉你,你仍然需要传统的yn子inside,因为你没有把你后面的yn子放在任何<条码>上。 页: 1
ostream&operator >> (const SomeClass& refToCls, ostream& os)
{
os << refToCls.iVar;
return os;
}
SomeClass x;
x >> cout;
而最后一点警告,这确实是一个坏的思想:。
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