C++ 使用类模板需要模板参数列表
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/13477086/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
use of class template requires template argument list
提问by Torrius
I moved out the methods implementation from my class and caught the following error:
我从我的类中移出了方法实现并发现了以下错误：
use of class template requires template argument list
for method whitch doesn't require template type at all... (for other methods all ok)
对于方法 whitch 根本不需要模板类型...（对于其他方法都可以）
Class
班级
template<class T>
class MutableQueue
{
public:
bool empty() const;
const T& front() const;
void push(const T& element);
T pop();
private:
queue<T> queue;
mutable boost::mutex mutex;
boost::condition condition;
};
Wrong implementation
错误的实施
template<> //template<class T> also incorrect
bool MutableQueue::empty() const
{
scoped_lock lock(mutex);
return queue.empty();
}
回答by xiaoyi
It should be:
它应该是：
template<class T>
bool MutableQueue<T>::empty() const
{
scoped_lock lock(mutex);
return queue.empty();
}
And if your code is that short, just inline it, as you can't separate the implementation and header of a template class anyway.
如果您的代码很短，只需将其内联即可，因为无论如何您都无法将模板类的实现和标头分开。
回答by stativ
Use:
用：
template<class T>
bool MutableQueue<T>::empty() const
{
...
}
