C2019: Generate function from template

[DISABLE, INFORMATION , WARNING, ERROR]

A function was instantiated from a template.

  template<class S> void f(S s) {

  

    // ...

  

  };

  

  void main(void) {

  

    int i;

  

    char ch;

  

    f(4);   // generate

  

    f(i);   // not generating, already generated

  

    f(ch);  // generate

  

  }

  

The fewer functions are instantiated from a template, the less code is produced. So try to use already generated template functions instead of letting the compiler generate new ones.