c++ - 从 class_Type 名称访问 vector 值不允许错误

Question

我将无符号值存储在一个 vector 中，我需要在另一个类中使用这些值。尝试在函数中返回 vector 值时出错，我不知道自己做错了什么!这是我的部分代码:

class Rider
{
  friend istream &operator>>(istream &in, Rider &rhs);

public:
  Rider(const string &name = ""): m_name(name){}

  const string &name() const {return m_name;}
  const string &team() const {return m_team;}
  const string &country() const {return m_country;}
  //const unsigned &numOfSatges() const {return m_tv;}

  typedef vector<unsigned> TimeVector;
  const vector<unsigned> & get() const{return TimeVector;) //Error: Type Name is not allowed!

private:

  string m_name;
  string m_team;
  string m_country;

  //unsigned m_numOfStages;

  TimeVector m_tv;

};

这是我尝试访问存储在 vector 中的无符号值的地方:

class Match_Stage : public unary_function<const Rider&, bool>
{
public:
  Match_Stage(const unsigned stage) : m_stage(stage){}
  bool operator()( const Rider &rider) const
  {
    return rider.TimeVector == m_stage; //Error: Type Name is not allowed!
  }

private:
   unsigned m_stage;
};

谢谢你的帮助

Answer 1

TimeVector 是一个类型名。您正在使用它，就好像它是一个变量一样。就像在说

int == 42;

你需要一个变量:

int i = 3;
i == 42;

您可能想要的是在您的类中返回 TimeVector 的实例:

typedef vector<unsigned> TimeVector;
const vector<unsigned> & get() const{return m_tv;)