Created
March 22, 2012 03:55
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GO, FizzBuzz as a webserver...
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| /* | |
| FizzBuzz in GO, as a webserver... | |
| */ | |
| package main | |
| import ( | |
| "flag" | |
| "fmt" | |
| "net/http" | |
| c "strconv" | |
| "text/template" | |
| ) | |
| var num int | |
| var index = template.Must(template.ParseFiles("index.html")) | |
| var fresh = template.Must(template.ParseFiles("fizzbuzz.html")) | |
| func main() { | |
| flag.IntVar(&num, "index", 0, "numeric index") | |
| host := flag.String("host", ":8008", "host to bind to") | |
| flag.Parse() | |
| http.HandleFunc("/", indexHandler) | |
| http.HandleFunc("/fizzbuzz", fizzbuzzHandler) | |
| fmt.Printf("listening on %s with index %d\r\n", *host, num) | |
| http.ListenAndServe(*host, nil) | |
| } | |
| func indexHandler(res http.ResponseWriter, req *http.Request) { | |
| err := index.Execute(res, num) | |
| if err != nil { | |
| res.Write([]byte("<big>BALLS!</big>")) | |
| } | |
| } | |
| func fizzbuzzHandler(res http.ResponseWriter, req *http.Request) { | |
| num++ | |
| err := fresh.Execute(res, fizzbuzz(num)) | |
| if err != nil { | |
| res.Write([]byte("<i>SUCK!/i>")) | |
| } | |
| } | |
| func fizzbuzz(hc int) (g string) { | |
| if hc%5 == 0 && hc%3 == 0 { | |
| return ("FizzBuzz") | |
| } | |
| if hc%5 == 0 { | |
| return ("Buzz") | |
| } | |
| if hc%3 == 0 { | |
| return ("Fizz") | |
| } | |
| // int to string? | |
| // 'dogs and cats living together...' | |
| return c.Itoa(hc) | |
| } |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>FizzBuzz on da WEB</title> | |
| <style type="text/css"> | |
| body | |
| { | |
| overflow: hidden; | |
| padding: 0; | |
| margin: 4em; | |
| width: 100%; | |
| height: 100%; | |
| background: black; | |
| color:white; | |
| font-size:3em; | |
| } | |
| a:link,a:visited,a:active,a:hover | |
| { | |
| color:white; | |
| text-decoration:none | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1><a href='/fizzbuzz'>{{.}}</a></h1> | |
| </body> | |
| </html> |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>FizzBuzz on da WEB</title> | |
| <style type="text/css"> | |
| body | |
| { | |
| overflow: hidden; | |
| padding: 0; | |
| margin: 4em; | |
| width: 100%; | |
| height: 100%; | |
| background: black; | |
| color:white; | |
| font-size:3em; | |
| } | |
| a:link,a:visited,a:active,a:hover | |
| { | |
| color:white; | |
| text-decoration:none | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1><a href='/fizzbuzz'> fizzbuzz@{{.}}</a></h1> | |
| </body> | |
| </html> |
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go version weekly.2012-03-13 +87d50a70f7d2