From: Ja Tse Date: 2012-08-12T17:13:33+09:00 Subject: Re: Unable to print a block argument. Henry Maddocks wrote in post #1072063: > On 12/08/2012, at 12:24 AM, Ja Tse wrote: > >> Not sure how to put it just want to know, wat's the advantage of >> creating an object through a proxy method in this case #open vs just >> creating an object with the constructor Foo.new ? >> > > > You have partially implemented two patterns... > Factory Method; A class method that returns an instance of the class > based on the inputs. Your method always returns the same objectso there > is no point creating another method to do this. Just use #new. > > Around Method; When accessing a resource that requires setup and tear > down, eg. File open / file close, you can write a method that initialzes > the resource, yields the resource to a block then clens up the resource > when the block returns. Your method doesn't do this either but it's > probably what you were thinking of as it is a very common Ruby pattern. > > Henry Thanks Henry and everyone, I knew my code was not perfect it was just a starting point and I wanted someone to elaborate more on the subject. Thanks everyone I have a better understanding now. -- Posted via http://www.ruby-forum.com/.