coffeePractise12.coffee

# 継承

log = (x) -> console.log x

class User 
	constructor : (@name) ->
	hello : -> log "hello, #{@name}"

class AdminUser extends User

bob = new AdminUser "Bob"
log bob.name
bob.hello()
# Bob
# hello, Bob

# オーバーライドも可

class SuperUser extends User
	hello : ->
		log "sudo "
		super()

judy = new SuperUser "judy"
judy.hello()
# sudo
# hello, judy