From: "Sandor Szücs" <sandor.szuecs@...>
Date: 2013-01-20T23:26:56+09:00
Subject: Re: 2Q: Getting first 4 elements from array and calling class methods directly

On 1/20/13 3:08 PM, Panagiotis Atmatzidis wrote:

> 1) Is there any more elegant[1] way to get the first for elements of '@entries' object array?

irb:0> a = (1..10).to_a
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
irb:0> a.take(3)
=> [1, 2, 3]
irb:0> a
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
irb:0> a.pop(3)
=> [8, 9, 10]
irb:0> a
=> [1, 2, 3, 4, 5, 6, 7]
irb:0> a.shift(3)
=> [1, 2, 3]
irb:0> a
=> [4, 5, 6, 7]

> 2) How should be defined the "feed_list" method in order to be called like: feed = NewsDisplay::feed_list

  1 class NewsDisplay�
  2   def self.feed_list(*args)�
  3     new(*args).feed_list�
  4   end�
  5   def initialize(*args)�
  6   end�
  7   def feed_list�
  8     ['f','e','e','d']�
  9   end�
 10 end�
 11 def test�
 12   feed = NewsDisplay::feed_list�
 13 end�

irb:0> test
=> ["f", "e", "e", "d"]


Hth.
-- 
All the best, Sandor Sz�cs