( ﾉ╹◡◡╹)ﾉ `std::back_inserter` の使い方

example-back-inserter.cpp

#include <vector>
#include <iostream>
#include <random>
#include <string>

constexpr auto CAPACITY = 1024;

int            main() {
    std::random_device       seed_generator;
    std::mt19937_64          engine{ seed_generator() };

    std::vector<std::string> klasses = { "Fighter", "Mage", "Rogue", "Priest", "Biship", "Samrai", "Ninja" };

    std::vector<std::string> result_klasses;

    std::uniform_int_distribution<size_t> dist( 0, klasses.size() - 1 );
    auto                                  dest = std::back_inserter( result_klasses );
    for ( int32_t i = 0; i < CAPACITY; ++i ) {
        auto offset = dist( engine );

        *dest       = klasses[offset];
        dest++;
    }

    for ( auto &klass_name : result_klasses ) {
        std::cout << klass_name << std::endl;
    }
}