Method is_eof

src/fl/codec/file_system_codecs.cpp.hpp:69–69

    fl::size_t size() const override { return 0; }
    const char* path() const override { return mPath.c_str(); }
    bool is_eof() const override { return !mHasValidFrame && !mDecoder->hasMoreFrames(); }
    bool has_error() const override { return false; }
    void clear_error() override {}
    int error_code() const override { return 0; }