#include <benchmark/benchmark.h>
#include <string>
#include <string_view>

template<typename T> static void test(benchmark::State &state)
{
    const char *msg = "hello world";
    for (auto _ : state)
    {
        benchmark::DoNotOptimize(T(msg));
    }
    state.SetItemsProcessed(state.iterations());
    state.SetBytesProcessed(state.iterations() * sizeof(msg));
}

BENCHMARK(test<std::string>);
BENCHMARK(test<std::string_view>);
BENCHMARK_MAIN();