mirror of
https://github.com/jashkenas/coffeescript.git
synced 2022-11-09 12:23:24 -05:00
247 lines
3.6 KiB
CoffeeScript
247 lines
3.6 KiB
CoffeeScript
a = [((x) -> x), ((x) -> x * x)]
|
|
|
|
ok a.length is 2
|
|
|
|
|
|
regex = /match/i
|
|
words = "I think there is a match in here."
|
|
|
|
ok !!words.match(regex)
|
|
|
|
|
|
neg = (3 -4)
|
|
|
|
ok neg is -1
|
|
|
|
|
|
# Decimal number literals.
|
|
value = .25 + .75
|
|
ok value is 1
|
|
value = 0.0 + -.25 - -.75 + 0.0
|
|
ok value is 0.5
|
|
|
|
# Decimals don't interfere with ranges.
|
|
ok [0..10].join(' ') is '0 1 2 3 4 5 6 7 8 9 10'
|
|
ok [0...10].join(' ') is '0 1 2 3 4 5 6 7 8 9'
|
|
|
|
|
|
# Can call methods directly on numbers.
|
|
4.valueOf() is 4
|
|
|
|
|
|
func = ->
|
|
return if true
|
|
|
|
ok func() is null
|
|
|
|
|
|
str = "\\"
|
|
reg = /\\/
|
|
|
|
ok reg(str) and str is '\\'
|
|
|
|
trailingComma = [1, 2, 3,]
|
|
ok (trailingComma[0] is 1) and (trailingComma[2] is 3) and (trailingComma.length is 3)
|
|
|
|
trailingComma = [
|
|
1, 2, 3,
|
|
4, 5, 6
|
|
7, 8, 9,
|
|
]
|
|
(sum = (sum or 0) + n) for n in trailingComma
|
|
|
|
trailingComma = {k1: "v1", k2: 4, k3: (-> true),}
|
|
ok trailingComma.k3() and (trailingComma.k2 is 4) and (trailingComma.k1 is "v1")
|
|
|
|
|
|
money$ = '(((dollars)))'
|
|
|
|
ok money$ is '\(\(\(dollars\)\)\)'
|
|
|
|
|
|
multiline = "one
|
|
two
|
|
three"
|
|
|
|
ok multiline is 'one two three'
|
|
|
|
|
|
ok {a: (num) -> num is 10 }.a 10
|
|
|
|
|
|
moe = {
|
|
name: 'Moe'
|
|
greet: (salutation) ->
|
|
salutation + " " + @name
|
|
hello: ->
|
|
@['greet'] "Hello"
|
|
10: 'number'
|
|
}
|
|
|
|
ok moe.hello() is "Hello Moe"
|
|
ok moe[10] is 'number'
|
|
|
|
moe.hello = ->
|
|
this['greet'] "Hello"
|
|
|
|
ok moe.hello() is 'Hello Moe'
|
|
|
|
|
|
obj = {
|
|
is: -> yes,
|
|
'not': -> no,
|
|
}
|
|
|
|
ok obj.is()
|
|
ok not obj.not()
|
|
|
|
|
|
# Top-level object literal doesn't break things.
|
|
obj: 1
|
|
|
|
|
|
# Funky indentation within non-comma-seperated arrays.
|
|
result = [['a']
|
|
{b: 'c'}]
|
|
|
|
ok result[0][0] is 'a'
|
|
ok result[1]['b'] is 'c'
|
|
|
|
|
|
# Object literals should be able to include keywords.
|
|
obj = {class: 'höt'}
|
|
obj.function = 'dog'
|
|
|
|
ok obj.class + obj.function is 'hötdog'
|
|
|
|
|
|
# But keyword assignment should be smart enough not to stringify variables.
|
|
func = ->
|
|
this == 'this'
|
|
|
|
ok func() is false
|
|
|
|
|
|
# New fancy implicit objects:
|
|
config =
|
|
development:
|
|
server: 'localhost'
|
|
timeout: 10
|
|
|
|
production:
|
|
server: 'dreamboat'
|
|
timeout: 1000
|
|
|
|
ok config.development.server is 'localhost'
|
|
ok config.production.server is 'dreamboat'
|
|
ok config.development.timeout is 10
|
|
ok config.production.timeout is 1000
|
|
|
|
obj =
|
|
a: 1
|
|
b: 2
|
|
|
|
ok obj.a is 1
|
|
ok obj.b is 2
|
|
|
|
obj =
|
|
a: 1,
|
|
b: 2,
|
|
|
|
ok obj.a is 1
|
|
ok obj.b is 2
|
|
|
|
|
|
# Implicit objects nesting.
|
|
obj =
|
|
options:
|
|
value: yes
|
|
|
|
fn: ->
|
|
{}
|
|
null
|
|
|
|
ok obj.options.value is yes
|
|
ok obj.fn() is null
|
|
|
|
|
|
# Implicit arguments to function calls:
|
|
func = (obj) -> obj.a
|
|
|
|
result = func
|
|
a: 10
|
|
|
|
ok result is 10
|
|
|
|
result = func
|
|
"a": 20
|
|
|
|
ok result is 20
|
|
|
|
third = (a, b, c) -> c
|
|
obj =
|
|
one: 'one'
|
|
two: third 'one', 'two', 'three'
|
|
|
|
ok obj.one is 'one'
|
|
ok obj.two is 'three'
|
|
|
|
|
|
# Implicit objects with wacky indentation:
|
|
obj =
|
|
'reverse': (obj) ->
|
|
Array.prototype.reverse.call obj
|
|
abc: ->
|
|
@reverse(
|
|
@reverse @reverse ['a', 'b', 'c'].reverse()
|
|
)
|
|
one: [1, 2,
|
|
a: 'b'
|
|
3, 4]
|
|
red:
|
|
orange:
|
|
yellow:
|
|
green: 'blue'
|
|
indigo: 'violet'
|
|
misdent: [[],
|
|
[],
|
|
[],
|
|
[]]
|
|
|
|
ok obj.abc().join(' ') is 'a b c'
|
|
ok obj.one.length is 5
|
|
ok obj.one[4] is 4
|
|
ok obj.one[2].a is 'b'
|
|
ok (key for key of obj.red).length is 2
|
|
ok obj.red.orange.yellow.green is 'blue'
|
|
ok obj.red.indigo is 'violet'
|
|
ok obj.misdent.toString() is ',,,'
|
|
|
|
second = (x, y) -> y
|
|
obj = then second 'the',
|
|
1: 1
|
|
two:
|
|
three: ->
|
|
four five,
|
|
six: seven
|
|
three: 3
|
|
|
|
ok obj[1] is 1
|
|
ok obj.three is 3
|
|
|
|
|
|
# Implicit objects as part of chained calls.
|
|
identity = (x) -> x.a
|
|
|
|
b = identity identity identity
|
|
a:
|
|
a:
|
|
a: 100
|
|
|
|
ok b is 100
|
|
|
|
|
|
# Inline JS
|
|
ok '\\`' is `
|
|
"\\\`"
|
|
`
|