F# - красота исходного кода и практичность

(* read http-link line by line and print to console *)
open System
open System.Net
open System.IO
open System.Text

let mutable enc = Encoding.GetEncoding(1251)

let http(url: string) = seq {
    let req = HttpWebRequest.CreateHttp(url)
    let res = req.GetResponse()
    use stream = new StreamReader(res.GetResponseStream(), enc)
    while not stream.EndOfStream do
        let line = stream.ReadLine()
        if not (isNull line) then yield line
}

let print(url: string) = for line in http(url) do printfn "%s" line

print("http://www.amic.ru")