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Blessing in Perl / Member variable in Ruby

How do you decide what member variables you have in an object in Ruby? Well - in Perl, you bless a single hash (or, exceptionally, a list or a scaler), but in Ruby you refer to each variable that you wish to be a member of each object using a preceeding @ character.

Perl:

bless \%abc;

Ruby:

@abc = ...
(written 2006-12-14)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
P213 - Perl - Creating your own Classes
  [4607] Classes and object - first steps in Perl 6 - (2016-01-02)
  [3833] Learning to use existing classes in Perl - (2012-08-10)
  [3098] Learning Object Orientation in Perl through bananas and perhaps Moose - (2010-12-21)
  [3059] Object Orientation in an hour and other Perl Lectures - (2010-11-18)
  [2969] What does blessing a variable in Perl mean? - (2010-09-24)
  [2877] Further more advanced Perl examples - (2010-07-19)
  [2834] Teaching examples in Perl - third and final part - (2010-06-27)
  [2169] When should I use OO techniques? - (2009-05-11)
  [1925] Introduction to Object Oriented Programming - (2008-12-06)
  [1864] Object Oriented Perl - First Steps - (2008-11-01)
  [1664] Example of OO in Perl - (2008-06-03)
  [1435] Object Oriented Programming in Perl - Course - (2007-11-18)
  [1320] Perl for Larger Projects - Object Oriented Perl - (2007-08-25)
  [975] Answering ALL the delegate's Perl questions - (2006-12-09)
  [246] When to bless a Perl variable - (2005-03-15)
  [227] Bellringing and Programming and Objects and Perl - (2005-02-25)

R105 - Ruby - Classes and Objects
  [4502] Reading and parsing a JSON object in Ruby - (2015-06-01)
  [4009] Clear, concise examples - Ruby classes and objects. - (2013-02-17)
  [3421] Ruby off the Rails? - (2011-09-06)
  [2651] Calculation within objects - early, last minute, or cached? - (2010-02-26)
  [2616] Defining a static method - Java, Python and Ruby - (2010-02-01)
  [2609] Scope of variables - important to Ruby on Rails - (2010-01-31)
  [2603] Ruby objects - a primer - (2010-01-29)
  [2292] Object Orientation in Ruby - intermediate examples - (2009-07-16)


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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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