On Tue, 03 Jan 2012 06:14:36 -0800, Antoine Musso <[email protected]> wrote:
> Le Fri, 30 Dec 2011 18:31:30 +0100, Krinkle <[email protected]> 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] _______________________________________________ Wikitech-l mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/wikitech-l
