def jpeg.scan.next
import gralha-jpeg-decode@0.1.0.1/jpeg.bend as Jpegimport Base
466def jpeg.scan.next(scan: JPEGScan, next: List<&2, JPEGComponent> -> JPEGStream -> JPEGScan) -> JPEGScan:
467 JPEGScan{components, stream} = scan
468 next(components)(stream)