CASCADA

cat.csc

import file

def main |argc, argv|
  if (>= (argc 2))
    argv
    | first
    | file.read
    | stdout
  else
    stdin | stdout

hello.csc

def main
  hello | stdout

http_request.csc

import http
import json

def main
   ("GET" "http://google.com")
   | http.request
   | http.header "accept" "*/*"
   | http.header "content-type" "json"
   | http.body ({foo: "bar"} | json.encode)
   | http.send
   | stdout
  
  

socket.csc

def main
  ("127.0.0.1" 3000)
    | socket
    | bind
    | each { sock -> ... }