Class Less

src/fl/video/frame_interpolator.h:20–22

class FrameInterpolator {
  public:
    struct Less {
        bool operator()(fl::u32 a, fl::u32 b) const { return a < b; }
    };
    typedef fl::flat_map<fl::u32, FramePtr, Less> FrameBuffer;
    FrameInterpolator(size_t nframes, float fpsVideo);