Function fnv1a

Examples/AwaitBackgroundDigest/AwaitBackgroundDigest.cpp:24–33

};

static uint32_t fnv1a(Span<const char> input)
{
    uint32_t digest = 2166136261u;
    for (size_t idx = 0; idx < input.sizeInBytes(); ++idx)
    {
        digest ^= static_cast<uint8_t>(input[idx]);
        digest *= 16777619u;
    }
    return digest;
}

static AwaitTask digestOne(AwaitEventLoop& await, ThreadPool& threadPool, DigestJob& job)
{