On Tue, 03 Jan 2012 06:14:36 -0800, Antoine Musso <hashar+wmf(a)free.fr>
wrote:
Le Fri, 30 Dec 2011 18:31:30 +0100, Krinkle
<krinklemail(a)gmail.com> a
écrit:
Since virtually any value other than null and
undefined is an object,
including numbers, strings and functions.
Much like ruby!
http://ruby-doc.org/core/Integer.html
$ irb
> 5.upto( 10 ) { |num| print
"#{num}ber," }
5ber,6ber,7ber,8ber,9ber,10ber,=> 5
> print 4.even?
true=> nil
>
You can change the 'even?' behavior to do something else of course :D
;) Oh no, in Ruby EVERYTHING is an object, there is no 'virtually' or
'almost'.
> nil.class
=> NilClass
> puts "nil is nil" if nil.nil?
nil
is nil
=> nil
> nil.is_a? NilClass
=> true
Although, their booleans are awkward.
> true.class
=> TrueClass
> false.class
=> FalseClass
> true.class.superclass
=> Object
> false.class.superclass
=> Object
Last I checked the way to say "Is this a boolean?" in Ruby was `value ===
true || value === false`. Ugh.
In JavaScript we have Boolean instead.
--
~Daniel Friesen (Dantman, Nadir-Seen-Fire) [
http://daniel.friesen.name]