class SortPriority
    {
    public:
        SortPriority();
        bool operator()(InfoPlayer* playerA, InfoPlayer* playerB);
    };
========================================================================
SortPriority::SortPriority() = default;

bool SortPriority::operator()(InfoPlayer* playerA, InfoPlayer* playerB)
{
    return playerA->Priority< playerB->Priority;
}