pipeline

func Digester(done <-chan struct{}, paths <-chan string, results chan<- Result)

func FilePathGenerator(done <-chan struct{}, search string) (<-chan string, <-chan error)

func Generator(done <-chan struct{}, num ...int) <-chan int

func MD5ALL(done <-chan struct{}, root string) (map[string][md5.Size]byte, error)

func Merger(done <-chan struct{}, chs ...<-chan int) <-chan int

func Processor(done <-chan struct{}, in <-chan int) <-chan int