Promises and map/reduce

gistfile1.js

// Use a Promise-based library to do IO.
var http = require("q-io/http")
   ,noop = new Promise(()=>{})

   ,prepare =
      (str)=> http.read('http://www.example.com/' + str)
                  .then((res)=> res.body.toString())

   ,makeQuery = 
      (strs)=> strs.map((str)=> prepare(str))

   ,doQuery = 
      (qrys)=> qrys.reduce((results, qry)=> results.then(qry), noop)

   ,stmts = [ "articles/FunctionalJavaScript"
            , "blob/c745ef73-ece9-46da-8f66-ebes574789b1"
            , "books/language/Haskell"
            ]

   ,main = doQuery(makeQuery(stmts));