在多维数组中设置默认值的更优雅的方式

In my .h file, I have:

在我的。h文件中，我有:

struct tup{
    tup() : 
    token{{-1,"a","b","c","d","e","f"},
          {-1,"a","b","c","d","e","f"},
          ...
          {-1,"a","b","c","d","e","f"}} {}
    struct {
        int pos;
        std::string nj, ny, pa, ri, ct, fl;
    } token[100];
struct