Express.js app.use() middleware example.

doesnt_work.coffee

###
Browse to http://localhost:8080 to see the following output:
# Hello
###

# Ignore
app = require('express')()

# Important stuff!
app.use (req, res)->
  console.log "Hello"
app.use (req, res)->
  console.log "World"

# Ignore
app.listen 8080

works.coffee

###
Browse to http://localhost:8080 to see the following output:
# Hello World
###

# Ignore
app = require('express')()

# Important stuff!
app.use (req, res, next)->
  console.log "Hello"
  next()
app.use (req, res, next)->
  console.log "World"
  next()

# Ignore
app.listen 8080