On Sat, Oct 13, 2012 at 1:35 PM, Roelof Wobben <[email protected]> wrote:
> Hello,
>
> Suppose I have 3 arrays with content. The content are articles of that
> category.
> Now I want 1 of the 3 arrays displayed and the other 2 not.
> Which array depends on the content.
>
> Now I can make 3 times this code.
>
> category1.article.each do |artikel|
> puts article.name
> end
>
> category2.article.each do |artikel|
> puts article.name
> end
>
> category3.article.each do |artikel|
> puts article.name
> end
>
> But now I have 3 parts of code which are almost the same.
> Is there a way I can make 1 part of code where the category is a variable.
The usual solution for repeated code is to put it into a function or
method and pass appropriate arguments. So you could do
def show_category(cat)
cat.each do {|article| puts article.name}
end
You could also do
puts category.article.map(&:name)
Kind regards
robert
--
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/
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