mirror of
https://github.com/jashkenas/coffeescript.git
synced 2022-11-09 12:23:24 -05:00
206 lines
3.2 KiB
CoffeeScript
206 lines
3.2 KiB
CoffeeScript
# Examples from _why's Potion, the Readme and "Potion: A Short Pamphlet".
|
|
|
|
# 5 times: "Odelay!" print.
|
|
|
|
print("Odelay!") for i in [1..5]
|
|
|
|
|
|
# add = (x, y): x + y.
|
|
# add(2, 4) string print
|
|
|
|
add: (x, y) -> x + y
|
|
print(add(2, 4))
|
|
|
|
|
|
# loop: 'quaff' print.
|
|
|
|
while true
|
|
print('quaff')
|
|
|
|
|
|
# ('cheese', 'bread', 'mayo') at (1) print
|
|
|
|
print(['cheese', 'bread', 'mayo'][1])
|
|
|
|
|
|
# (language='Potion', pointless=true) at (key='language') print
|
|
|
|
print({language: 'Potion', pointless: true}['language'])
|
|
|
|
|
|
# minus = (x, y): x - y.
|
|
# minus (y=10, x=6)
|
|
|
|
minus: (x, y) -> x - y
|
|
minus(6, 10)
|
|
|
|
|
|
# foods = ('cheese', 'bread', 'mayo')
|
|
# foods (2)
|
|
|
|
foods: ['cheese', 'bread', 'mayo']
|
|
foods[2]
|
|
|
|
|
|
# (dog='canine', cat='feline', fox='vulpine') each (key, val):
|
|
# (key, ' is a ', val) join print.
|
|
|
|
for key, val of {dog: 'canine', cat: 'feline', fox: 'vulpine'}
|
|
print(key + ' is a ' + val)
|
|
|
|
|
|
# Person = class: /name, /age, /sex.
|
|
# Person print = ():
|
|
# ('My name is ', /name, '.') join print.
|
|
|
|
class Person
|
|
print: ->
|
|
print 'My name is ' + this.name + '.'
|
|
|
|
|
|
# p = Person ()
|
|
# p /name string print
|
|
|
|
p: new Person()
|
|
print p.name
|
|
|
|
|
|
# Policeman = Person class (rank): /rank = rank.
|
|
# Policeman print = ():
|
|
# ('My name is ', /name, ' and I'm a ', /rank, '.') join print.
|
|
#
|
|
# Policeman ('Constable') print
|
|
|
|
class Policeman extends Person
|
|
constructor: (rank) ->
|
|
@rank: rank
|
|
print: ->
|
|
print 'My name is ' + this.name + " and I'm a " + this.rank + '.'
|
|
|
|
print new Policeman 'Constable'
|
|
|
|
|
|
# app = [window (width=200, height=400)
|
|
# [para 'Welcome.', button 'OK']]
|
|
# app first name
|
|
|
|
app = {
|
|
window: {width: 200, height: 200}
|
|
para: 'Welcome.'
|
|
button: 'OK'
|
|
}
|
|
app.window
|
|
|
|
|
|
# x = 1
|
|
# y = 2
|
|
#
|
|
# x = 1, y = 2
|
|
|
|
x: 1
|
|
y: 2
|
|
|
|
x: 1; y: 2
|
|
|
|
|
|
# table = (language='Potion'
|
|
# pointless=true)
|
|
|
|
table: {
|
|
language: 'Potion'
|
|
pointless: yes
|
|
}
|
|
|
|
|
|
# # this foul business...
|
|
# String length = (): 10.
|
|
|
|
# this foul business...
|
|
String::length: -> 10
|
|
|
|
|
|
# block = :
|
|
# 'potion' print.
|
|
|
|
block: ->
|
|
print('potion')
|
|
|
|
|
|
# if (age > 100): 'ancient'.
|
|
|
|
if age > 100 then 'ancient'
|
|
|
|
|
|
# author =
|
|
# if (title == 'Jonathan Strange & Mr. Norrell'):
|
|
# 'Susanna Clarke'.
|
|
# elsif (title == 'The Star Diaries'):
|
|
# 'Stanislaw Lem'.
|
|
# elsif (title == 'The Slynx'):
|
|
# 'Tatyana Tolstaya'.
|
|
# else:
|
|
# '... probably Philip K. Dick'.
|
|
|
|
switch author
|
|
when 'Jonathan Strange & Mr. Norrell'
|
|
'Susanna Clarke'
|
|
when 'The Star Diaries'
|
|
'Stanislaw Lem'
|
|
when 'The Slynx'
|
|
'Tatyana Tolstaya'
|
|
else
|
|
'... probably Philip K. Dick'
|
|
|
|
|
|
# count = 8
|
|
# while (count > 0):
|
|
# 'quaff' print
|
|
# count--.
|
|
|
|
count: 8
|
|
while count > 0
|
|
print('quaff')
|
|
count--
|
|
|
|
|
|
# 1 to 5 (a):
|
|
# a string print.
|
|
|
|
print(a) for a in [1..5]
|
|
|
|
|
|
# if (3 ?gender):
|
|
# "Huh? Numbers are sexed? That's amazing." print.
|
|
|
|
if (3).gender?
|
|
print("Huh? Numbers are sexed? That's amazing.")
|
|
|
|
|
|
# HomePage get = (url):
|
|
# session = url query ? at ('session').
|
|
|
|
HomePage::get: (url) ->
|
|
session: url.query.session if url.query?
|
|
|
|
|
|
# BTree = class: /left, /right.
|
|
# b = BTree ()
|
|
# b /left = BTree ()
|
|
# b /right = BTree ()
|
|
|
|
BTree: ->
|
|
b: new BTree()
|
|
b.left: new BTree()
|
|
b.right: new BTree()
|
|
|
|
|
|
# BTree = class: /left, /right.
|
|
# b = BTree ()
|
|
#
|
|
# if (b ? /left):
|
|
# 'left path found!' print.
|
|
|
|
BTree: ->
|
|
b: new BTree()
|
|
|
|
print('left path found!') if b.left?
|