In template: no matching member function for call to 'insert'

这个错误通常是因为你在使用insert函数时，参数类型不匹配。insert函数的参数类型应该符合容器的要求。

例如，如果你使用的是std::set容器，insert函数的参数应该是容器元素的类型。如果你使用的是std::map容器，insert函数的参数应该是一个std::pair对象，表示键值对。

请确保你在调用insert函数时传递了正确的参数类型，并且与容器的要求相匹配。如果仍然遇到问题，请提供更多的代码和错误信息，以便我可以帮助你更好地解决问题。

相关问题

no matching function for call to 'Ticker::Ticker(void (&)(), int)'

This error message typically indicates that there is no constructor defined for the Ticker class that takes a function pointer as an argument.

To fix this error, you need to define a constructor for the Ticker class that takes a function pointer as an argument. Here's an example:

class Ticker {
public:
  Ticker(void (*function)()): _function(function) {}
  
  void tick() {
    _function();
  }

private:
  void (*_function)();
};

In this example, the Ticker class takes a function pointer as an argument to its constructor. The function pointer is then stored as a member variable, and can be called by the tick method.

With this constructor defined, you should be able to create a Ticker object and pass in a function pointer as an argument without encountering the "no matching function for call" error.