Function concat_kernel

test_common/harness/stringHelpers.h:24–29

#include <string>

inline std::string concat_kernel(const char *sstr[], int num)
{
    std::string res;
    for (int i = 0; i < num; i++) res += std::string(sstr[i]);
    return res;
}

template <typename... Args>
inline std::string str_sprintf(const std::string &str, Args... args)