mirror of
https://github.com/jashkenas/coffeescript.git
synced 2026-02-18 03:21:20 -05:00
55 lines
943 B
CoffeeScript
55 lines
943 B
CoffeeScript
x: 1
|
|
y: {}
|
|
y.x: () => 3
|
|
|
|
print x is 1
|
|
print typeof(y.x) is 'function'
|
|
print y.x() is 3
|
|
print y.x.name is 'x'
|
|
|
|
|
|
# The empty function should not cause a syntax error.
|
|
() =>
|
|
|
|
|
|
obj: {
|
|
name: "Fred"
|
|
|
|
bound: () =>
|
|
(() ==> print(this.name is "Fred"))()
|
|
|
|
unbound: () =>
|
|
(() => print(!this.name?))()
|
|
}
|
|
|
|
obj.unbound()
|
|
obj.bound()
|
|
|
|
|
|
# The named function should be cleared out before a call occurs:
|
|
|
|
# Python decorator style wrapper that memoizes any function
|
|
memoize: (fn) =>
|
|
cache: {}
|
|
self: this
|
|
(args...) =>
|
|
key: args.toString()
|
|
return cache[key] if cache[key]
|
|
cache[key] = fn.apply(self, args)
|
|
|
|
Math: {
|
|
Add: (a, b) => a + b
|
|
AnonymousAdd: ((a, b) => a + b)
|
|
FastAdd: memoize (a, b) => a + b
|
|
}
|
|
|
|
print Math.Add(5, 5) is 10
|
|
print Math.AnonymousAdd(10, 10) is 20
|
|
print Math.FastAdd(20, 20) is 40
|
|
|
|
|
|
# Parens are optional on simple function calls.
|
|
print 100 > 1 if 1 > 0
|
|
print true unless false
|
|
print true for i in [1..3]
|