Helper classes for HackerRank

hackerrank-helpers.coffee

# Reads lines from stdin and run specified function
main = (done) ->
  lines = []
  readline = require 'readline'
  readline.createInterface input: process.stdin
    .on 'line', (line) -> lines.push line
    .on 'close', -> done lines

# Minified one-liner
main=(d)->l=[];require('readline').createInterface(input:process.stdin).on('line',(i)->l.push i).on('close',->d l)

# Example
main (lines) ->
  console.log 'My lines are', lines