January 25th, 2007, 01:05 AM
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Contributing User
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Join Date: Mar 2003
Posts: 174
Time spent in forums: 14 h 27 m 11 sec
Reputation Power: 11
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Strange thing w/ array.map
Hello,
I'm writing a method that builds rss and atom feeds and I've noticed something strange when I try updating the content array by using a map.
I'm new to ruby and must confess that I don't know how array maps work so well.
I am formatting some of the rss content array by updating it's contents w/ a map like so:
Code:
@entities = Space.find :all
@new_entities = @entities.map do |entity|
open_closed = entity.complete? ? "[x] " : "[ ] "
entity.title = open_closed + entity.title
entity.title += (' due on ' + local_date_time(entity.due_on)) if entity.due_on
entity.title += " (#{entity.status_title})"
end if @entities
then when I try to use the @new_entities array in the feed, I get an error
Code:
for entity in @new_entities #-->>error!
xml.item do
xml.title(entity.title)
xml.description(entity.description)
xml.pubDate(entity.date.strftime("%a, %d %b %Y %H:%M:%S %z"))
xml.link("http://www.recentrambles.com/pragmatic/view/" + entity.id.to_s)
xml.guid("http://www.recentrambles.com/pragmatic/view/" + entity.id.to_s)
end
end
but, if I use the original @entities array it works perfectly
Code:
for entity in @entities #-->>works!
xml.item do
xml.title(entity.title)
xml.description(entity.description)
xml.pubDate(entity.date.strftime("%a, %d %b %Y %H:%M:%S %z"))
xml.link("http://www.recentrambles.com/pragmatic/view/" + entity.id.to_s)
xml.guid("http://www.recentrambles.com/pragmatic/view/" + entity.id.to_s)
end
end
How, exactly, is that @entities array getting updated by the map?
Thanks for your help!
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