#include <qoipp.hpp>
int main()
{
    {    // read directly from file
        auto image = qoipp::decode_from_file("./path/to/file.qoi");
        if (not image) {
            std::cout << to_string(image.error()) << '\n';    // using ADL
            return 1;
        }
        // image->data     is the raw image bytes decoded from the file
        // image->desc     is the image description (width/height/channels/colorspace)
        // do something with the image data...
    }
    {    // decode data already in memory
        auto data = /* qoi image bytes read from file for example */;
        auto image = qoipp::decode(data);
        if (not image) {
            std::cout << to_string(image.error()) << '\n';    // using ADL
            return 1;
        }
        // do something with the image data...
    }
    {    // there's also an overload that can take a buffer as an out parameter
        auto data = /* qoi image bytes read from file for example */;
        auto buffer = Vec(/* width * height * channels */);
        auto desc   = qoipp::decode_into(buffer, data);
        if (not desc) {
            std::cout << to_string(desc.error()) << '\n';    // using ADL
            return 1;
        }
        // do something with the data in the buffer...
    }
    // those above are all decode* functions, the opposite encode* functions are also present
}