我希望能够做到这一点:
#include <queue>
#include <set>
class Comparator
{
public:
Comparator(SomeObject& rTool) : mrTools(rTool) {}
bool operator()(const std::string& a, const std::string& b)
{
return mrTools.doSomething(a,b);
}
private:
SomeObject& mrTools;
}
std::priority_queue<std::string, std::set<std::string>, Comparator> queue;
//<- this doesn't compile
我该如何初始化这个队列并在构造函数中提供给比较器所需要的引用?