gistfile1.coffee

# Dependency injetion example.
class House
	# We are asking for things in contructor.
	constructor: (kitchen) ->
		@kitchen = kitchen

# Service locator antipattern example.
class House
	constructor: ->
		# our class is looking for kitchen
		@kitchen = new Kitchen

# another point of view

# house is frozen
class House
	constructor: ->
		@kitchen = new Kitchen

# now house can have any kitchen
class House
	constructor: (kitchen) ->
		@kitchen = kitchen