gistfile1.cpp

#include <random>
#include <functional>

inline const std::string generate_ascii_random_string(std::string::size_type n)
{
    static std::default_random_engine generator;
    static std::uniform_int_distribution<short> distribution(0x20, 0x7A); //ascii range from space to z
    static auto rnd = std::bind(distribution, generator);
    std::string s;
    s.resize(n);
    for (auto& ch : s)
        ch = static_cast<char>(rnd());
    return s;
}