EighthTask

Documentation

Index

• func Crawl(url string, depth int, fetcher Fetcher, fetchedUrls ...map[string]void)
• func Main()
• func Same(t1, t2 *tree.Tree) bool
• func Walk(t *tree.Tree, ch chan int)
• type FetchResult
• type Fetcher

Functions

func Crawl

func Crawl(url string, depth int, fetcher Fetcher, fetchedUrls ...map[string]void)

Crawl uses fetcher to recursively crawl pages starting with url, to a maximum of depth. Implementing a function without changing the signature (almost)

func Main

func Main()

func Same

func Same(t1, t2 *tree.Tree) bool

Same determines whether the trees t1 and t2 contain the same values.

func Walk

func Walk(t *tree.Tree, ch chan int)

Walk walks the tree t sending all values from the tree to the channel ch.

Types

type FetchResult

type FetchResult struct {
	// contains filtered or unexported fields
}

type Fetcher

type Fetcher interface {
	// Fetch returns the body of URL and
	// a slice of URLs found on that page.
	Fetch(url string) (body string, urls []string, err error)
}